Four Panels (ABCD) [trial proof]
Credit: Patrons' Permanent Fund and Special Friends of the National Gallery of Art
1976
Etching, drypoint and aquatint on wove paper
2008.136.200
Image © National Gallery of Art, 2020
Ble byddwch chi'n dod o hyd i hwn
National Gallery of Art
Casgliad barhaol