Largest selection of genuine antique weapons for sale in UK. See our website andrewbottomley.com. Ref 1480. An interesting American Wild West Era Marlin OK Model .30 cal Rim-fire single shot Derringer. Circa 1863-1870. Brass frame, swivel barrel single shot pistol. The barrel swivels to the side for loading and is released by depression of a steel button on the underside of the frame when the pistol is at half cock. The 3 inch barrel marked on top with the letters OK. The barrel engraved J. M. MARLIN. NEW HAVEN CT. In well used undamaged condition showing little sign of wear. Overall length 5.5 inches. Ref 1480. This is an obsolete antique item and is sold as a collectors item only. No Licence is required in the United Kingdom. If you wish to purchase this item please visit our website andrewbottomley.com where you can pay by credit/debit card. Established 1968.