Series 2 2011 ‘Storage Bar’
| Manufacturer: |
| Year: : 2011 |
| Denomination: BTC |
| Type: UF |
| Mintage: 0 |
| Material: Alloy, Gold Plated |
| Diameter: 80 x 40 mm |
| Thickness: 6 mm |
| Weight: 118 g (in wrap) |
| Country: United States |
These bars were the first ‘empty’ item released by Casascius. They function like any physical Casascius coin in that bitcoin can be sent to it using the first-bits, but redeemed only by removing the hologram.