AUDUBON, JOHN JAMES. Harlequin Duck. Plate CCXCVII. Hand-colored aquatint and engraved plate from Audubon's Birds of America, on wove paper watermarked: "J Whatman/1836." 24 3/4x38 inches sheet size; very minor foxing, few small closed edge tears. London: Robert Havell, 1836
