Early PBY Seaplane Prototype painting by Alpnarly Lyster, U.S.A. ca 1937, gouache on board

Early PBY Seaplane Prototype painting by Alpnarly Lyster, U.S.A. ca 1937, gouache on board, artist was an engineer with Pan-Am in 1930's, signed lower right, framed and matted, image size 18.25" X 13".