2004-D Iowa quarter reverse missing clad layer. The quarter is copper on the reverse side, because the nickel outer later was missing before strike. A somewhat scarcer state for missing clad layers...
PCGS 1976-D bicentennial quarter reverse missing clad layer. The coin's reverse clad layer is missing before strike, leaving the reverse side copper. A popular and fairly scarce year for missing clad...
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 1967 Washington quarter off-metal, struck on a 1c planchet. The coin is struck on the copper planchet intended for a Lincoln cent. It is smaller than a normal quarter, with portions of the outer...