These pendants were used to mark drinking glasses at a party or gathering. It was "made in Austria" presumably in the 1930's.
It appears to be in very good condition. The item "Fine Vintage Art Deco Celluloid Wine Glass and Cocktail Markers" is in sale since Saturday, November 17, 2018. This item is in the category "Collectibles\Barware\Other Barware". The seller is "dualities2" and is located in Larchmont, New York.This item can be shipped worldwide.