AN UNUSUAL SET OF FOUR SWISS PERCUSSION PISTOLS, converted from flintlock, comprising a pair of duelling pistols and a pair of overcoat pistols, the duelling pistols with signed blued octagonal polygroove rifled sighted barrels each with two gold breech lines, case-hardened tangs, signed case-hardened border engraved locks, figured walnut full stocks, chequered butts each carved with a laurel wreath around the pommel, case-hardened iron mounts, silver escutcheons, set triggers, original case-hardened ramrods, and much original finish, the overcoat pistols with signed blued swamped octagonal polygroove rifled sighted barrels each with gold line and gold-lined stamp at the breech, case-hardened border engraved locks, figured walnut full stocks, chequered butts, case-hardened iron mounts, silver escutcheons, brass-tipped iron ramrods, and much original finish: in original lined and fitted case with accessories (one powder-flask associated), by F. Ulrich in Bern, early 19th Century