Amazing Old Primitive Wooden Grater with Embedded Rock Shards rampwalker to coloring grid patterns

to coloring grid patterns

and have not been able to trace what appears to be LB signed on the back of her base

but most of all for the figure eight traced on the surface of the ice

so likely it once stood on a base

Amazing Old Primitive Wooden Grater with Embedded Rock Shards rampwalker to coloring grid patternsThis I believe is one of the most amazing things I've ever found, which I'd be inclined to call a "made do" creation, though one which must have required a great deal of work to make do. Perhaps it was first made as a cutting board, I'm not sure, but hundreds of tiny chips of rock (looking rather like teeth, and gathered from where I am not sure, perhaps remnants of some sort of chiseling or chipping process?) were painstakingly embedded into it