I assume that the mother-in-law brought it back from one of her trips, , , ,. 3 1/2 inches tall and the top is aprox 2 1/4 inches in diameter. Glazed ceramic.
Yup, and an older practical proper kitchenware one. Royal Worcester made fancy ones which are quite useless. Yours may be Bourne or Langley or someone like T G Green. 1930s ish.