Prison Shank Shiv knife Ka-Bar made in Philly PA

 This is a very unique nice shank shiv knife made by Ka-Bar and said Roxy Co, Philly PA on blade of shank, it has no edge except at top 2 dull sides blades, this is designed to work as a shank shiv and is built like one and is one actually you can see it was WAS USED in Philadelphia area way back in the day as shank.

The picture below is a real shank from Ohio prison shank shiv from back in old days