Enclosed are three images of a newly aquired sxs 16 gauge percussion shotgun by Charles Lancaster London.This gun which is a back action gun is early for this type of lock it is number 287 and built in 1828 by Lancaster ,the barrels are stamped CL plus the proof and gauge size ,the standing breech is stamped 287 also the internal of the lockplates,on the face of the lockplate is engraved C Lancaster Improvements.
Research into this gun revels 287 and 288, 289, 290 all 16 gauge sxs percussion except 290 which was a 15 gauge were purchased by the same gentleman at the same time which indicates that they may have been trio or two pairs.
Feltwad