OSCAR wrote: ↑Thu Jun 24, 2021 10:37 pmCharlie, except for the difference in the blade grind, they could be twins.RobesonsRme.com wrote: ↑Thu Jun 24, 2021 2:18 pm It looks like an 812872 and the tang stamp, ROBESON / SHUREDGE (Block) / U.S.A., places it circa 1948 - 1965, although I'm not sure they continued this pattern all the way to their demise in 1965.
Your knife looks to have a flat grind blade and mine a concave grind. That isn't unusual. I had several of this pattern at one time with different handle materials and blade grinds, but the pattern shape number remained the same on all, 872.
Charlie
The OP knife sure looks like celluloid to me.