Product Details

Up for sale is a rare, top-tier heirloom of American industrial history—an original International Harvester 20-year service milestone corporate lapel pin / tie tac. This premium piece features the iconic black and red enameled "IH" logo block with the "20 YEARS" banner beautifully crisp along the bottom edge. The reverse side is explicitly hallmarked "10KT" alongside Balfour's iconic diamond corporate stamp, guaranteeing its solid precious metal composition. This is genuine solid gold, NOT gold-filled or plated. * **Balfour Maker's Mark:** Crafted by the legendary L.G. Balfour Company, famous for manufacturing high-end championship rings and prestigious corporate milestone jewelry.