Some of the pieces found include a Casascius bitcoin (the first physical bitcoin ever made), a 2002 Shining Charizard Pokémon card, antiques from a shipwreck and George Washington’s jelly glass.

There is a rare physical Casascius Bitcoin, a gold pendant designed by Picasso, a rare Pokemon card and a highly collectible Michael Jordan rookie basketball card. Of all the treasures he amassed ...

See crypto coin. A year after Bitcoin launched, Utah-based Mike Caldwell began minting the Casascius coin, which served as a cold crypto wallet for bitcoins. It was a brass coin into which the ...