Manufactured c. 1860-1869. Barrel marked "SLOTTER & Co. PHILA. MADE FOR RUDOLPH SAN FRANCo CALa". on the top flat, and "GAIN TWIST WART" at the breech.

Fair with a darkened patina, wear on the edges of the barrel, pitting, and crisp engraving. Stock is good with general wear, a crack near the nose of the comb, and softened checkering. Mechanically functions.