The King of Crypto. Almost everyone can agree that bitcoin is the big dog in the world of crypto. At the time of writing 7/13/2018, one bitcoin was worth $6,270 with a market cap of $107,666,945,699 USD. This coin has a total supply of 21,000,000. My supply of this style will be 100. The coin is made from solid 3″x0.25″ C360 Brass. The cradle is solid Bronze. The base can be Cherry or Black Walnut wood. The engraved nameplate is solid Brass. Each coin is signed and numbered and comes with a certificate of authenticity. Also included is a 1/16″ Hex key so you can remove the coin from the cradle.