British sailor's rigging knife with maker's signature "Joseph Allen & Sons, Ltd.," late 1800s. 260 grams, 8" long with blade extended. Single-bladed British knife with Marlin spike for sailor's rigging work, complete with original fancy rope-work lanyard, faint signature on blade, original staghorn grips, age toning and fine pitting. With photo-certificate. (Estimate: $125 - 200)