NGC 2001-D New York quarter reverse missing clad layer. The coin is copper on the reverse side, which is because the clad layer is missing. The coin weighs 4.68 grams.
MS63 Brown and...
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...
NGC 2008-D New Mexico quarter obverse missing clad layer. The obverse side is copper due to the clad layer missing before strike.
Very scarce state for missing clad layers.
MS63...
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...