A Dandie Dinmont Terrier John Ferneley (1782-1860)

The picture has something of this: dog, mammal, portrait, canine, animal, cute, two, fur, side view, outdoors, sit, pet, puppy, nature, looking, wildlife, little, eye.
Perhaps it’s a painting of a brown and white dog standing on top of a grass covered field next to a mountain with a sky and clouds in the background.