Inventor of the Maxim Gun (1840–1916) who emigrated to England and adopted British citizenship. Fountain pen signature, “Oh!!! Hiram S. Maxim,” on an off-white 3.5 x 5.5 postal card to which a photo has been affixed. In very good condition, with corner creasing and toning, surface marks to the photo, and light rippling. RRAuction COA.
