A .451 cal percussion rifle by Alexander Henry in an unusual two position target configuration. Folding rear sight marked "George Gibbs" and " Rad 37.8", adjustable front sight with spirit level, engraved platinum plug, triggers and guards at" "both grips (to balance the trigger pull during shooting?)," Patent No. 12 Alexr Henry Edinburg" inscribed on the front trigger guard, "Alex Henry Edinburgh and London Patent No. 3383" inscribed on the top of the barrel, Horn forend (ramrod hole" " filled) and butplate. Scroll engraved lockplate with safety, is marked "Alexr Henry", signed "Joseph Brazier" on the inside of the lockplate. The stock is cracked and repaired , other dents and bruising on stock, butt with carved cheek" "piece, 34" Bbl., 50" overall length, 14.25" and 22" LOP. This rifle is from the collection of William B. Ruger and is pictured on the Front cover, Back picture, extreme right of the frame and again on pg 314 of "Ruger and His Guns".