nature #219 Rien Poortvliet (1932-1995)

The picture has something of this: wolf, mammal, dog, canine, animal, predator, portrait, carnivore, wild, wildlife, nature, wood, texture, face, Canis, hunter, zoo, eye.
Perhaps it’s a watercolor painting of a wolf peeking out from behind a tree with its head resting on the branch of.