This is a print from Curious Prints. The small measures 8 x 10 and the large 11 x 14.
Curious Prints creates high quality reproductions of your favorite vintage art. The original art is from the German text "Zur Morphologie des Vogelskelets (Imperial society of naturalists in Moscow)" by Dr. P. Suschkin in 1898.
The art is digitally printed on high quality acid free and archival matte paper. Each print is packaged in a sealed clear sleeve with matte backing and includes and info card with the history of the art.