Richard Diebenkorn (1922-1993). Aquatint and etching in colors on Rives paper titled “Tri-Color Spade,” depicting a single spade comprised of yellow, blue, and red. From the portfolio titled “Five Spades.” Numbered 43/50 along the lower left; initialed and dated ’82 along the lower right. Marked with the Crown Point Press blindstamp along the lower right. Provenance: Crown Point Press; Distinguished corporate collection, Minnesota. Sight; height: 9 3/4 in x width: 8 7/8 in. Framed; height: 28 3/8 in x width: 21 5/8 in.