St. George & The Dragon 01 TrinaSchartHyman sqs Trina Schart Hyman

The picture has something of this: cavalry, people, mammal, seated, man, group, warrior, wear, weapon, sword, lid, veil, equestrian, competition, woman, transportation system, skirmish.
Perhaps it’s a painting of a man riding on the back of a horse next to a dog and a man.