.22 LR. 3" barrel length. SN: 15020. Olive green painted finish with polished small parts mounting two piece checkered black synthetic grips. Two-shot tip up action derringer pistol mounting fixed front blade and rear notch sights. Left upper chamber and frame are struck with West German {Eagle/N} commercial proof markings. Further markings include HY HUNTER INC.-HOLLYWOOD CALIF./FIREARMS MANUFACTURING CO. to the top of the barrel rib with left side marked Frontier Model Derringer and the right struck Manufactured in West Germany. Caliber marking to right side of upper chamber reads cal .22 l.r.