Antique WWI Battleship, Oil, (Unsigned)

Miniature Oil on card stock (or possibly gouache) of a painted antique battleship dating from World War One, (possibly earlier) in a skirmish with another battleship with rockets bursting in air, as well ass dropping into the ocean from the opposing battleship. Appears unsigned, awaiting an attribution letter, but selling as American School for the time being. Painting sketch measures (approx. 4" x 4") on a larger piece of card stock