Jesse Jay McVicker (American, 1911 - 2004), "Dark Structure", 1957, unframed color etching and aquatint, signed, dated, titled, and numbered in graphite in lower margin, no. 29/40, depicts an abstract grid of blocks in black and white with accents of red, green, yellow, etc., hinged at top to folded mat with clear translucent overlay, wear consistent with age including moderate that darkens slightly at deckled edge, s few scattered spots of discoloration/ smudges, paper size: 20" h. x 15" w. [PROVENANCE: Purchased from the Susan Teller Gallery, New York, NY in 1992. Copy of receipt available to successful bidder.]