Unmarked collar device. With flat face patent numbered clutches. Very good condition.

Artillery Enlisted men's collar disk. Unused type V disk with correct steel strip and flat face clutches from the original carton. Excellent condition.

Signal Corps Enlisted Men's collar disk. Type V Tinnerman production disk with full steel back and flat face clutches. Very good condition.

Army Air Corps Enlisted Men's collar disk. Type V Tinnerman production disk with full steel back and rare Tinnerman clutches of folded spring steel. Unissued and straight from the card. Excellent condition.