NGC 2021-D Crossing the Delaware quarter, with the reverse missing the clad layer. A very scarce design for missing clad layer quarters, and tough to find! The coin is copper on the reverse, with minor streakings of surface nickel metal on it as well.
MS62 Brown and nice luster. A hairline scratch obverse, but not consequential enough to note on the holder.
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...
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...
NGC 2006-P 25c Colorado quarter reverse missing clad layer. The coin is copper on the reverse side, and is missing the clad layer. A scarce state for missing clad layers. Desirable with the "state"...