BeadsTreasure 30 Pcs- Antiqued Copper Plated Flat Round Disk Stamping Blanks Tag Charms for Jewelry Making. Antiqued Copper Plated Alloy Flat Disk Stamping Blanks Tag Charms Round for Jewelry Making. Listing for 30 Disks. Finish-Antiqued Copper over Alloy. Size-8 mm, thickness-1.5 mm, hole 1.5 mm USA SELLER