Model 1842 Aston Pistol by Henry Aston, Middletown, Conn., Circa: 1846.  Calibre .54.

 This Military Pistol is in original untouched condition and was the first primary U.S. Contract Model with the percussion ignition system. It still has crisp, tight action and in good working order. There were 24,000 of this model made between the years 1846 & 1850.