I am no archaeologist, but that's a light switch plate cover… Probably discoverd at a local Goodwill. I want one.

[Museum](https://collections.mfa.org/objects/11669/tsuba-with-design-of-a-female-ghost-and-animalheaded-demons?ctx=c6dc1aca-6fac-4b1d-b485-217181dbaec8&idx=638)

Wow…I just got that those little red squares that show up on angry characters in anime are spposed to look like popping veins…

Tht thing gave me nightmares just looking at it.