When leading error coin dealer Fred Weinberg began dropping hints a few weeks ago that some Monroe Dollars which had been struck on State Quarter planchets had escaped the Philadelphia Mint, many people were understandably skeptical, since a "wrong planchet" type error is very rare. (This error is also sometimes called a "wrong metal" error.) However, when the U.S. Mint actually confirmed the existence of these error coins, the excitement started to build. Did the Mint recover them all? How many would find their way into circulation? How many did Fred Weinberg already have stashed away? . . .
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