.67 caliber. 7.5" wedge retained octagonal barrels with hook breeches. NSN. Browned Damascus patterned barrels, color casehardened locks, hammers and breeches, blued and bright steel furniture, German silver wedge escutcheons and thumb pieces, checkered walnut grips with full-length stocks. Single shot smoothbore muzzleloading percussion pistols with captive swivel ramrods. Back action percussion locks marked RIGBY, barrels unmarked externally but with London gunmaker's proofs under them. Locks, hammers, breech pieces and triggerguards with light foliate scroll engraving. Steel belt hooks on reverse secured by the lock mounting screws. No rear sights, steel post front sights. The pistols are contained in a well worn period casing with an green baize lining and accessories that include a reblued iron single cavity round ball scissor mold marked 18 with a nominally .65 caliber cavity, an incorrect brass flask, a nice rosewood handled loading rod with removable brass tip that reveals a ball puller, a screwdriver tool that does not fit any of the screws, a reproduction cone wrench and some lead round balls. The sectionalized case has two lidded compartments.