29-1/2\ x 39-1/2\ \Ivory Gull\ No.58, Plate CCLXXXVII, from \The Birds of America\, Amsterdam Edition, 1971-1972. Color-printed lithograph on fine hand-made paper with the \G. Schut & Zonen R Audubon\ watermark unique to the Amsterdam Edition in the margins, unframed. View and Bid on AspireAuctions.