UP FOR SALE: SCHRADE Uncle Henry Pro Hunter Knife 171UH with Leather Sheath Hone Stone and Birds Head Pommel 1971-72 Size: 10" total length, the blade is 5 1/4" Serial No 03548 From Schrade Walden Cutlery Catalog printed in 1970 - possibly for the 1970 October/November Annual Sales Force, the description of the knife is: NO. 171UH PRO HUNTER, Extra heavy high carbon cutlery steel. Solid Brass guard and rivets. Heavy genuine leather sheath and "piggyback" hone stone. Precise control. 9 1/2" overall, 5 1/4" blade Per my Research and from the allaboutpocketknives dot com knife_forum: As to the birds head pommel and the flat pommel; the 1971 1972 shortline catalogs show pictures of the 171UH with the birds head pommel. Beginning in 1973 the 171UH is shown with the flat pommel cap. There were 2 production runs that can be seen in the catalogs: 1971-1983 (the first two years having the birds head pommel) 1990-1991 All of these are shown in the catalogs with the flat pommel cap. Handle is made of: " STAGLON "( Acetal Resin Polymer )it was made by the DuPont Corporation for the Space Program and released for public use in 1967.Also Known as" DELRIN " PLEASE REFER TO ALL PHOTOS FOR A BETTER VISUAL DESCRIPTION OF THE ITEM *Vintage and secondhand items may have flaws. Please review item(s), description and picture(s). I do my best to research and describe the items accurately, but I am not an expert on all of the items I sell. Unless specified in the listing, all items are sold AS-IS AS-SEEN in photos* All of My Items Come from a Smoke Free Home and have been cleaned per's standards I do Ship everyday Monday - Saturday I am always happy to combine shipping for you--just send me a message Feel Free to Visit My Store and Browse Through My Other Listings as I am happy to combine shipping for you. Please contact me with any issues prior to leaving negative/neutral feedback or low detail ratings, as I will always do my best to solve any problems that may come up! If you have any further questions, please feel free to message me Any props that are used in the taking of the photos are not included. Only the item/items in the title of the listings are being sold