4 inch Shank Shiv Vintage Primitive weapon recovered from Prison many years ago in OHIO

 Some how, this shiv aka shank weapon is very old vintage and primitive ended up for sale online and we nabbed it as it's unique and don't see many prison shanks for sale period. Its from Canton Ohio area it's where it came from (2nd photo) down and first photo is others we encountered.

One Inch shank metal pointy tip

Newest Shank added 11/25/2022

If you know anything about this 2nd shank knife made by Kabar and says Roxy Co, Philla PA on blade?