John James Audubon,"Sooty Tern", plate CCXXXV (#235) ,Robert Havell, folio size approximately, 12" x 19 1/2" plate size, 17 1/2" x 24 3/8" sight (elephant folio size), watermark: J. Whatman Turkey Mill 1834 (picture of which is on the back of frame), folded on edges, slight restoration, framed under glass. Estimate $1,800-2,500