British Rifle Musket Pattern 1853 P53 Enfield .577 caliber (CSA SPAR 2442) Manufactured in Birmingham, England in 1862, this rifle musket has engraved on the butt stock, “Henry Johnson, Co. E. 91st Regt, Ill. Vols. 1864”.
Springfield Armory NHS, US NPS
<a rel="nofollow" class="external text" href="https://www.nps.gov/spar/learn/historyculture/images/P1853_buttstock_SPAR_2442.jpg">Springfield Armory National Historic Site (U.S. National Park Service Official Web-site</a>