A PAIR OF FRENCH PERCUSSION OFFICER'S PISTOLS, converted from flintlock, with swamped octagonal sighted barrels polygroove rifled, and retaining their original blued finish and engraved gilt decoration at the muzzle and breech, case-hardened bevelled locks, figured walnut full stocks, shaped iron mounts including stepped octagonal pommels, and horn-tipped ramrods, early 19th Century