New Old Stock BMW Chrome Gold Finger Ring. It is believed to be 24K Gold Plated over Steel. Never Used. Size #11 which according the chart that I have is 2.55" Circumference (64.71mm), or .81" Diameter (20.6mm). These can run a 1/2 size up or down. Very Unique BMW Collectible. High Quality Class. Custom made. USPS First Class Shipping to your USA Address will be $8.00 Thanks to the recent USPS Rate Hikes. International Shipping is available. Thanks for looking at our ebay shop and remember "Old School Class Never Goes Out of Style!.".