Pair of vintage cufflinks made from authentic Brazilian 1961 Cruzeiro coins mounted in classic gold-tone hardware. Backs stamped PAT. 2,974,381. Solid and well-made — great gift, collector piece, or conversation-starter dress wear. Features • Genuine Brazilian Cruzeiro coins • Year: 1961 • Patent no. 2,974,381 backs • Gold-tone hardware • Vintage world coin jewelry style Ships safe & secure. See photos for condition.