UP FOR SALE: 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. Schrade Uncle Henry 171UH ?Big Pro Hunter? Knife ? 1971 Carbon Steel + Sheath Collector?s Vintage Knife: Made in the USA in 1971 Heavy-duty Carbon Steel Blade over 5 inches ? retains solid edge Stagalon Handle shows light wear; no cracks or chips Original Leather Sheath included with belt loop Excellent structural condition ? no warping or bent tip; photos show patina and minor use wear Perfect for hunting, display, or vintage knife collections Specs: Blade: Carbon steel, fixed blade, plain edge Handle: Stagalon grip Overall length: approx. [measure] inches Sheath: stamped ?Schrade Walden? with retention strap Condition Notes: Blade shows surface scratches/patina consistent with use Sheath leather aged but intact with functional snap Light handle wear, no structural damage AS IS AS SHOWN ? Please check out all the pics and zoom in for the best look. Photos tell the story better than I ever could! Thanks so much for looking! Vintage and secondhand goodies usually have some character (aka flaws). I do my best to describe everything honestly, but I?m no expert. What you see is what you get. All my stuff comes from a smoke-free home and gets a good cleaning before it heads out. I ship Monday through Saturday fast and packed with care! Colors might look a little different depending on your screen and lighting. Props are just for show -- only the item(s) listed in the title are included. Got a problem? Message me first! I'm easy to work with and want you to be happy! Poke around my store if you want, I am happy to bundle shipping! Visit my Store for more great finds!