This is an original hand signed lithograph by American artist Stow Wengenroth. The title of this piece is "Bufflehead", it was created and printed in 1967 in an edition of only 50 signed proofs.
The image measures 9 3/4X15 7/8 inches. This lithograph appears in the Stuckey catalog as image number 312. Very good condition, matted not framed.