hank you for interesting. Made in USA with LOVE Authentic Circulated 1917 Buffalo Indian Nickel coin Coin is 21 mm diameter. It is same size as 5 cents nickel coin. Bail size: 12 mm long, 3.3 mm wide, 3.7 mm deep. Stringing hole 3 mm x 4.5 mm. I soldered .925 sterling silver jump ring and bail to make this pendant. It come with 22 inches long stainless steel 3 mm box chain. Please check my other items. I make rings, earrings, cuff links, and bracelets with same coin too.