45-100 cal. Frank Wesson No. 1 Long Range Rifle. Barrel address FRANK WESSON MFG LONG RANGE RIFLE No. 1 WORCESTER MASS. Marked PATENTED JULY 10 1877. Vernier rear peep sight, engraved action with bold scroll and vignette of a dog's head. Full case hardening on action lever and butt plate. Possibly re-stocked but still a rare piece for as few as 25 were made.