The origin and use of this type of folding knifes is not very clear and there are numerous suggestions: Ranging from knives to clean opium pipes to knives for cutting and inscribing on dates leaves. The origin is most probably from the Indo-China area. It has a 3 inches blade, hollow ground, 3 inches back spike and ivory handle with engraved inscription. handle. 6 ½ inches fully opened. Very good condition.