Up for auction is a Rare pre WW2 framed 1933 Colt Firearms Patent document for a 1/2 inch union stuffing box type.....not sure what gun part is for.......interesting and scare item for your collection.....frame is modern and measures approx 13 by 16 inches in size while patent document is from 1944 and measures approx 8 by 10 3/4 inches in size....vintage Colt Fire Arms Co. items are becoming quite hard to find.......will ship to the US only for 12.50 shipping cost.....be sure and check our other listings for many other military items from all eras being offered.....Thanks