Rare 1970's Nike promo sterling silver turquoise inlay ring vintage

This is a vintage 1970's ring with a unique design that showcases a blue Turquoise stone, set in a sterling silver band with an Onyx secondary stone. This ring is from the Nike brand and has a unisex design with a ring size of 5.5. The ring has a 925 metal purity and a base metal of silver, making it perfect for anyone looking for an ethnic or regional piece of jewelry. This vintage ring is a one-of-a-kind piece and is perfect for collectors or those who want to showcase their unique style. sold as is true vintage use zoom on photos for details does show age