Search Constraints
You searched for:
Medium Engraving
Remove constraint Medium: EngravingImage Available Available
Remove constraint Image Available: AvailableSearch Results
- Date:
- 1777
- Medium:
- Engraving on moderately thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 21 5/8 × 17 1/4 inches (54.9 × 43.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1749
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 22 5/8 × 38 9/16 inches (57.5 × 97.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1749
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 22 1/2 × 38 1/2 inches (57.2 × 97.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1748
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 22 9/16 × 38 5/16 inches (57.3 × 97.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1748
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 22 1/2 × 38 5/16 inches (57.2 × 97.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1790
- Medium:
- Stipple engraving on moderately thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 19 1/16 × 22 inches (48.4 × 55.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1738
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 20 3/8 × 27 7/8 inches (51.8 × 70.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1811
- Medium:
- Engraving on moderately thick, slightly textured, beige laid paper
- Dimensions:
- Sheet: 18 3/8 × 13 1/2 inches (46.7 × 34.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, moderately textured, beige laid paper
- Dimensions:
- Sheet: 5 7/16 × 3 1/8 inches (13.8 × 7.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1850
- Medium:
- Engraving on thick beige slightly textured wove paper
- Dimensions:
- Sheet: 29 x 34 inches (73.7 x 86.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of David Doret, Yale BA 1968, and Linda Mitchell
- Date:
- 1777
- Medium:
- Engraving on moderately thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 21 5/8 × 17 inches (54.9 × 43.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1796
- Medium:
- Engraving on moderately thick, smooth, beige wove paper
- Dimensions:
- Sheet: 25 1/8 × 19 3/16 inches (63.8 × 48.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Mary E. Knapp
- Date:
- 1767
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 17 5/8 × 22 inches (44.8 × 55.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on moderately thick, moderately textured, beige laid paper
- Dimensions:
- Sheet: 26 1/4 × 32 1/2 inches (66.7 × 82.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Janet and James Sale, Yale BA 1960
- Date:
- 1742
- Medium:
- Engraving on moderately thick, moderately textured, beige laid paper
- Dimensions:
- Sheet: 19 7/8 × 23 3/4 inches (50.5 × 60.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1742
- Medium:
- Engraving on moderately thick, moderately textured, beige laid paper
- Dimensions:
- Sheet: 23 1/8 × 34 1/16 inches (58.7 × 86.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Ann and Kenneth Rapoport
- Date:
- 1736
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 16 3/4 × 28 13/16 inches (42.5 × 73.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1745
- Medium:
- Colored engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 15 9/16 × 21 3/4 inches (39.5 × 55.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- ca. 1830
- Medium:
- Hand Colored engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 16 13/16 × 21 5/16 inches (42.7 × 54.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1757
- Medium:
- Hand colored engraving on thick, rough, cream laid paper
- Dimensions:
- Sheet: 16 × 25 5/8 inches (40.6 × 65.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1813
- Medium:
- Engraving on moderately thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 9 3/16 × 5 3/4 inches (23.3 × 14.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1792
- Medium:
- Engraving on thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 21 13/16 × 28 inches (55.4 × 71.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Fund
- Date:
- 1688
- Medium:
- Engraving on moderately thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 18 7/8 × 22 9/16 inches (47.9 × 57.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1739
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 15 3/8 × 9 3/4 inches (39.1 × 24.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1670-1700
- Medium:
- Engraving on medium, moderately textured, beige laid paper
- Dimensions:
- Sheet: 11 3/16 × 7 1/4 inches (28.4 × 18.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1624-1629
- Medium:
- Engraving on thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 12 9/16 × 17 7/8 inches (31.9 × 45.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1775
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 18 × 24 5/16 inches (45.7 × 61.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream wove paper
- Dimensions:
- Mount: 24 1/8 × 17 1/8 inches (61.3 × 43.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 1/8 inches (61 × 43.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1732
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 1/16 inches (61 × 43.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1735
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 inches (61 × 43.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1745
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 1/4 inches (61 × 43.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1732
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 23 7/8 × 17 1/16 inches (60.6 × 43.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 3/16 inches (61 × 43.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 23 3/4 × 17 1/8 inches (60.3 × 43.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Medium:
- Engraving on medium, slightly textured, cream wove paper
- Dimensions:
- Mount: 24 × 17 1/4 inches (61 × 43.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1627
- Medium:
- Engraving on medium, moderately textured, cream laid paper
- Dimensions:
- Sheet: 7 1/16 × 4 1/4 inches (17.9 × 10.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1757
- Medium:
- Engraving on thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 17 7/8 × 23 11/16 inches (45.4 × 60.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1757
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 17 7/8 × 23 3/4 inches (45.4 × 60.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Colored engraving on thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 15 × 23 1/8 inches (38.1 × 58.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Colored engraving on thick, rough, cream laid paper
- Dimensions:
- Sheet: 16 1/2 × 23 5/16 inches (41.9 × 59.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, moderately textured, beige wove paper
- Dimensions:
- Mount: 23 7/8 × 17 1/16 inches (60.6 × 43.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream wove paper
- Dimensions:
- Mount: 24 × 17 1/4 inches (61 × 43.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1719
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 1/4 inches (61 × 43.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1830
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 24 × 17 1/16 inches (61 × 43.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1803
- Medium:
- Engraving on moderately thick, moderately textured, beige wove paper
- Dimensions:
- Sheet: 19 15/16 × 26 13/16 inches (50.6 × 68.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
47. Martin Bucer
- Date:
- undated
- Medium:
- Engraving on medium, moderately textured, beige laid paper
- Dimensions:
- Sheet: 12 × 7 1/8 inches (30.5 × 18.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Sheet: 12 5/8 × 7 1/2 inches (32.1 × 19.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1757
- Medium:
- Engraving on thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 17 7/8 × 23 5/8 inches (45.4 × 60 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1786
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 19 1/8 × 24 3/16 inches (48.6 × 61.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1757
- Medium:
- Engraving on moderately thick, moderately textured, beige laid paper
- Dimensions:
- Sheet: 17 5/16 × 21 3/4 inches (44 × 55.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1785
- Medium:
- Etching and line engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 18 1/8 × 22 inches (46 × 55.9 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1772
- Medium:
- Hand colored engraving on thick, rough, cream laid paper
- Dimensions:
- Sheet: 16 7/8 × 25 1/8 inches (42.9 × 63.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1782
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Mount: 22 1/16 × 30 inches (56 × 76.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
55. The Errand Boy
- Date:
- 1825
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 22 3/8 × 30 inches (56.8 × 76.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1834
- Medium:
- Engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 18 13/16 × 24 5/16 inches (47.8 × 61.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
57. Summers Evening
- Date:
- 1794
- Medium:
- Engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 18 × 22 1/4 inches (45.7 × 56.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
58. Winter
- Date:
- 1794
- Medium:
- Engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 17 5/8 × 22 1/8 inches (44.8 × 56.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1782
- Medium:
- Colored aquatint on thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 16 5/8 × 26 1/2 inches (42.2 × 67.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
60. The Rural Cott
- Date:
- 1797
- Medium:
- Engraving; proof on moderately thick, slightly textured, cream wove paper, with chine collé
- Dimensions:
- Sheet: 19 1/8 × 24 1/8 inches (48.6 × 61.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Medium:
- Engraving, mixed method on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 26 3/4 × 20 1/4 inches (67.9 × 51.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1802
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 25 1/2 x 18 1/2in. (64.8 x 47cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1737
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1767
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 22 × 17 1/2 inches (55.9 × 44.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1760
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 17 1/4 × 23 7/8 inches (43.8 × 60.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1760
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 17 1/4 × 23 7/8 inches (43.8 × 60.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1753
- Medium:
- Engraving on moderately thick, moderately textured, beige laid paper
- Dimensions:
- Sheet: 16 1/8 × 19 3/4 inches (41 × 50.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1770
- Medium:
- Engraving, proof before all letters on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 16 × 21 9/16 inches (40.6 × 54.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
69. Edgar's Tower
- Date:
- 1778
- Medium:
- Engraving on medium, slightly textured cream wove paper
- Dimensions:
- Sheet: 7 1/4 x 10 3/4in. (18.4 x 27.3cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Gift of Paul Mellon in memory of Dudley Snelgrove
- Date:
- 1810
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 22 1/16 × 28 3/4 inches (56 × 73 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
71. The Cut Finger
- Date:
- 1819
- Medium:
- Engraving on medium, slightly textured, cream laid paper
- Dimensions:
- Mount: 21 5/16 × 30 1/4 inches (54.1 × 76.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1828
- Medium:
- Engraving on thick, moderately textured, cream laid paper with cream chine-collé
- Dimensions:
- Sheet: 21 5/8 × 27 7/8 inches (54.9 × 70.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1810
- Medium:
- Engraving on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 22 × 28 7/8 inches (55.9 × 73.3 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1836
- Medium:
- Engraving on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Mount: 21 3/4 × 30 5/16 inches (55.2 × 77 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- ca.1762
- Medium:
- Engraving on moderately thick, slightly textured, cream laid paper
- Dimensions:
- Sheet: 18 3/4 × 23 7/8 inches (47.6 × 60.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1848
- Medium:
- Engraving on thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 21 3/16 × 26 1/4 inches (53.8 × 66.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
77. Blenheim House
- Date:
- undated
- Medium:
- Engraving on medium, slightly textured, cream wove paper
- Dimensions:
- Mount: 17 1/4 × 24 inches (43.8 × 61 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1745
- Medium:
- Engraving on medium, slightly textured, beige laid paper
- Dimensions:
- Mount: 17 1/4 × 24 inches (43.8 × 61 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection