"Boxed" from "Twelve Progressions", 1971. Serigraph in 5 colors printed on Fabriano paper, signed in pencil lower right, numbered 43/90 in pencil lower left. commissioned by Martha Jackson Graphics, New York and Desnise Rene, Paris, printed by Luitpold Domberger, Stuttgart, Germany, unframed. Provenance: David Anderson Gallery, Buffalo, NY. View and Bid on AspireAuctions.com