PCGS 1981-P Washington quarter struck on a nickel 5c planchet. It weighs 4.92 grams. A wrong planchet error, with the design of a quarter but the planchet of a Jefferson nickel.
MS66
PCGS 1980-P Washington quarter struck on a nickel planchet. The off-metal weighs 5.0 grams, and is smaller than a normal quarter since it is struck on the smaller nickel planchet.
MS64