Tiny Ivory Pig

I don't know anything about this history of this tiny carved pig, presumed to be ivory, but I think it's pretty great! I found it at an estate sale of a man who served in Japan during WWII and brought a lot back with him, which may be where this little guy came from.

1 3/8" long x 3/8" wide x 7/8" tall and in great vintage condition.