104. Acrylic on board, 12 x 16 inches, color test on both sides, private collection

104. Acrylic on board, 12 x 16 inches, color test on both sides (105 is on opposite side), collection of Andrew & Darinka Chase

104. Acrylic on board, 12 x 16 inches, color test on both sides, collection of Andrew & Darinka Chase (detail)

Detail