A collection of postage stamps featuring a gorilla in various poses and expressions. The stamps are arranged in a grid with a total of nine stamps. The top row shows a gorilla standing with its mouth open, a gorilla sitting with its mouth closed, and a gorilla standing with its mouth open. The middle row shows a gorilla standing with its mouth open, a gorilla sitting with its mouth open, and a gorilla standing with its mouth closed. The bottom row shows a gorilla sitting with its mouth open, a gorilla standing with its mouth open, and a gorilla sitting with its mouth closed. Each stamp has