Strain-JohnPaul-untitled2-sj John Paul Strain (1955-)

The picture has something of this: cavalry, people, war, man, skirmish, army, military, weapon, soldier, seated, sword, group, helmet, armor, uniform, rifle, equestrian, wear, gun, battlefield.
Perhaps it’s a painting of a group of men riding horses with a flag on top of one of the men on the horse is holding a flag and a flag in the other hand.