Handmade from a 1/4 troy ounce .999 silver round from the Golden State Mint Gorgeous intricate design is a replica of the majestic sun stone or Aztec calendar, a 24 ton sculpture in Mexico City. Actual weight is approximately 6.5 grams due to manufacturing. Size 6 in photos Available in sizes 5-10 Matte & Antiqued Patina finishes available Coin in photos not included One Quarter Troy Ounce 999 Fine Silver Aztec Calendar Coin Ring