2.5” by 3/8” thick with a glass cover on the top and a purple paper insert on the underside. Under the glass are 3 white balls to get into the tiny recessed areas of the sun’s eyes and mouth. Below the sun face are a pair of battleships along with an American uniformed officer holding saber and firing pistol towards a man in the uniform of the Spanish Infantry in 1898. Tin rim edge has two pinpoint and a single 1/16” dent but o/w essentially Mint condition. A beautiful and rare piece.