Authentic Tiffany & Co. Rare Vintage 14k Yellow Gold Bright Hammer Mallet Lodge Lapel Pin. Fully engraved: TIFFANY & CO MAKERS 14KT GOLD M. It measures .98 inch X .91 inch and weighs 2.4 grams of bright 14k yellow gold and brilliant gemstones. This unusual old pin in excellent condition. The pin holds perfectly. A wonderful find! It is 100% authentic. Perfect for the collector. From a fantastic collection fine jewelry. Please take a look at my other interesting jewelry listed this week. Thank you.