2011 Casascius 1 BTC Brass Demo Coin


These were experimental Casascius coins, created to test the holograms and honeycomb pattern left behind. Some of them are unfunded addresses and others have the word Demo written across the back. They are highly sought after and rare collector coins.
Supplier Casascius
Release Date 01/10/2011
Country of Origin United States
Item Type Coin
Denomination 1.000 BTC (Bitcoin)
Mintage Quantity 6114
Base Material Brass
Diameter 28.50mm
Depth 1.50mm
Weight 6.80g
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