This petite little teacup is my very favorite one I’ve ever found! It’s got a lovely pearlized finish and little blue bubbles. I call it my “mermaid teacup.” It was made by Limoges and an internet source dates the mark from between
Russian Tea Glass Holders called podstakannik (Russian: подстака́нник, literally "thing under the glass"), or tea glass holder. Their primary purpose is to be able to hold a very hot glass of tea, which is usually consumed right after it is brewed.