These Model 1851 Cadet muskets are described in depth on pages 243-247 of George D. Moller's book "American Military Shoulder Arms, Volume III", with this exact musket photographed on page 244 and 245. Springfield Armory manufactured a total of 4,000 cadet muskets c. 1852-1853 for use by various cadet schools around the country. They feature the same lock as the Model 1847 Musketoon. It has a small bayonet stud on the bottom of the barrel near the muzzle, a blade front sight on the front of the upper barrel band, "1852" dated lock and barrel tang. A diamond shaped brass plaque marked "49" is affixed on top of the wrist. "GDM" (George D. Moller) collection initials marked at the toe of the stock. Includes a US socket bayonet, "OHIO" marked leather sling, and wood tampion. Provenance: The George Moller Collection