Hudsonian Godwit Plate CCLVIII, 1835
Engraving with Aquatint
14 x 20 in
The most prized prints of Audubon's original sketches are the aquatints known as the Havell Editions. These were produced between 1826 and 1838 under the direct supervision of Audubon himself. These aquatints are based on Audubon's original watercolors and ink drawings. The prints in this edition are printed on double elephant sized paper, which measures 27.5 by 39.5 inches. The paper used in the printing process was handmade by James Whatman in Kent County England, and contains the original watermark that reads "JWhatman" or "JWhatman/Turkey Mill," followed by the date.
You can find more information on the various Audubon editions here.