PCGS 2006-P Colorado quarter with the reverse clad layer missing. The coin is copper on its reverse, because the clad layer was missing before the coin was struck. Missing clad layers are most...
PCGS 2005-D California quarter reverse missing clad layer. The coin is copper on the reverse due to the outer nickel layer missing before the coin was struck.
California is a very scarce state...
PCGS 2007-D Washington dollar with the reverse clad layer missing before strike. The coin is coppery colored on the reverse due to the outer manganese layer separated almost entirely, before strike...