New Old Stock 1950s Cadillac Crest Truck Chrome Silver Finger Ring. Never Used.  Size #7 which according the chart that I have is 2.15" Circumference (54.51mm), or .68" Diameter (17.35mm). These can run a 1/2 size up or down. Very Unique Cadillac Collectible. High Quality Class. Custom made using a licensed discontinued Cadillac Crest Hat Pin. USPS First Class Shipping to your USA Address will be $8.00 Thanks to the recent USPS Price Hike. International Shipping is available. Thanks for looking at our ebay shop and remember "Old School Class Never Goes Out of Style!.".