Purple and Green Leaves, 1927, Oil on copper, mounted on board, 20 1/4 x 15 1/4 in. (51.4 x 38.7 cm), Terra Foundation for American Art, Daniel J. Terra Collection, 1999.142"> Purple and Green Leaves, 1927, Oil on copper, mounted on board, 20 1/4 x 15 1/4 in. (51.4 x 38.7 cm), Terra Foundation for American Art, Daniel J. Terra Collection, 1999.142"> Purple and Green Leaves, 1927, Oil on copper, mounted on board, 20 1/4 x 15 1/4 in. (51.4 x 38.7 cm), Terra Foundation for American Art, Daniel J. Terra Collection, 1999.142"> 1999.142_Helen Torr_Purple_and_Green_Leaves_1927 | Terra Foundation for American Art