Rare Vintage Unmarked Marbles Pilot Survival Knife. I have never seen another but Bill Walters shows a similar one in his book on page 655. It has some light wear and rust on the spacers closest to the leather washers. This item is in the category "Collectibles\Militaria\Vietnam (1961-75)\Original Period Items\Edged Weapons".
The seller is "mjg-217" and is located in this country: US. This item can be shipped to United States.