Which preposition to use with oomiak

with Occurrences 1%

There were all kinds of carvings from walrus tusks, grass baskets, moccasins of walrus hide, stone bowls and cups, parkas made of reindeer skin, and one superb one of bird feathers, ramleikas, and all manner of carved trinkets, the most charming of which, to Ted's eyes, being a tiny oomiak with an Esquimo in it, made to be used as a breast-pin.

Which preposition to use with  oomiak