This is a replica paperweight modeled after the "Solomon Islands Akakangaroo 1 Dollar Silver Coin"! Material: Unknown Weight: 29.0g (in 0.5g increments, not including the case) With a weight close to a real 1-ounce silver coin (avoirdupois ounce: 28.349g, troy ounce: 31.103g), this item allows you to experience the feel of holding a silver coin. The included case has slight traces of the seal having been peeled off.