A striking pair of vintage cufflinks featuring a gold tone setting with sleek black stone inlay. These cufflinks carry the patent number 2,974,381, originally filed by Charles J. Obst and patented on July 19, 1956, covering the design of the toggle closure mechanism. Classic mid-century styling makes them a perfect accessory for collectors, vintage enthusiasts, or anyone looking to add timeless elegance to their wardrobe. Era: Mid-Century (1950s?1960s) Metal: Gold tone Stone: Black stone (type unknown) Color: Gold and black Markings: Patent No. 2,974,381 Measurements: Approx. 1" length x 0.6" width Condition: Pre-owned, in good wearable condition. Some wear to the gold tone consistent with age and use.