In addition to these silver, brass and gold-plated products, Casascius also sells aluminium promo coins.
The post indicates that Mike Caldwell, who heads the operation,
will soon begin selling the Casascius aluminum coin,
which is unfunded and does not hold a value in bitcoin.
Caldwell also indicates that he's planning to sell traditional Casascius coins, save for the fact they too will be unfunded-
so as to not continue running a"money-transmitting" business, as seen by the U. S.