Rare Early Production Al Mar "TANKEN" Phantom Dagger. 

 Not many of these are out there..Features a Bayonet styled Dagger Blade that measures 5 3/8" with a 3 5/8" unsharpened top edge. Brass Guard with checkered Zytel Handles that features a built in lanyard. Overall is 10".  Heavy duty leather belt sheath. (Sheath not original). Mint piece is serialized PP136/200. (PP = Pre-Production). Has the Al Mar logo with the tang marked "SEKI, JAPAN". Mint piece. (No Box)