Inventor of the eponymous machine gun which has been estimated to have killed over 250,000 men since 1862. Fountain pen signature, “R. J. Gatling,” on an off-white 3 x 2 pre-printed Gatling visiting card. Matted with a small portrait of Gatling, to an overall size of 8 x 12. In fine condition, with slightly light overall fuzzy appearance to signature. R&R COA.
