Today, collectors can recognize an authentic piece of vintage Eisenberg jewelry by its mark. The words "Eisenberg Original" were used from roughly 1935 to 1945, while just plain "Eisenberg" or "Eisenberg Ice" was used from about 1945 to 1950.The item "VINTAGE EISENBERG ICE CHRISTMAS TREE PIN BROOCH CLEAR & GREEN CRYSTAL RHINESTONE" is in sale since Sunday, October 29, 2017. This item is in the category "Collectibles\Holiday & Seasonal\Christmas\ Modern (1946-90)\Pins". The seller is "sjtreasures" and is located in Lakeland, Florida. This item can be shipped worldwide.