Manufactured c. 1896-1897. "MFG. FIRE ARMS H.PIEPER CO. U.S.A." inscribed on the top strap. The rear cylinder face has a faint Liege proof. The Pieper Model 1893 revolver operates along a gas seal design where the cylinder moves forward to seal during firing. The same concept was used on the Nagant revolver. Other design elements include a rebounding hammer and swing out cylinder with hand ejector system. These revolvers were popular in Mexico with the Mexican government purchasing several thousand.