rare, old button for a table bell Georg Jensen / Copenhagen - 1933-1944 - #157 in a round, stepped shape - with a smooth, polished surface Consisting of 2 parts that can be screwed together in the center a button made of bone inside device for electrification Made and hallmarked from 925 sterling silver as well as manufacturer's mark "GJ" with model number, hallmark "Denmark" diameter: approx. 4.6cm Weight: 42.7 grams good condition, only minor signs of age - see photos #11143.