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

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

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

Detail