I believe this is the Barclay's Patent design. An excellent example with no faults. 175mm length.
William Bartram Shotgun Cartridge Decapper 12g Reloading VVGC Powder Flask Eley
WW1 Polished Brass Field Gun Cartridge Case 1917
J. Rigby Empty Brass Shotgun Oil Bottle Pot Antique Gun Case Hunting Accessory
J. Purdey Empty Brass Shotgun Oil Bottle Pot Antique Gun Case Hunting Accessory
