Hand-colored lithographs, to include Gould's "Knot - Calidris Canutus" and Gould and Richter's "Podiceps Minor (Little Grebe or Dabchick)," the first retains accompanying text sheet, each attractively matted and framed.

Image Size 9 1/4 x 17 1/2 in. (each approximately); DOA 26 1/2 x 33 in. (one smaller)

Several small foxing marks to the first; minor creases and margin tear to the second.