1990-D 1C Cent -- Struck on a Pre-1983 3.1-gm Copper Planchet -- MS64 Brown PCGS....

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Sold on Jan 4, 2018 for:

$5,640.00 Bid Source: Internet bidder

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1990-D Cent, MS64 Brown
Struck on a Pre-1983 Copper Planchet
Believed to be Unique

1990-D 1C Cent -- Struck on a Pre-1983 3.1-gm Copper Planchet -- MS64 Brown PCGS. The 3.1-gm weight of this copper planchet corresponds to the pre-1983 coinage period, as the PCGS holder indicates. In 1990, the Mint was eight years into using copper-plated zinc planchets that weighed only 2.5 gm. To say that the existence of this coin is unusual is an understatement. Struck at the Denver Mint, this piece likely owes its creation to the same unknown circumstances that produced the 1989-D copper cent offered in this sale. Planchets were handled in bulk during the manufacturing process, and most wrong-planchet errors are attributed to planchets of one denomination or alloy becoming lodged in hoppers or other machinery only to spring loose into the stock of another year or denomination. The 1943 copper cents were created in this fashion. Error collectors are familiar with the 1983 copper cents, presumably struck on leftover planchets from the year before. However, it is almost unheard of for an eight-year-old planchet to find its way into a coining press feed. This 1990-D copper cent is believed to be unique. Lavender, olive, and orange-gold hues encompass each side, and the satiny surfaces show only a few light abrasions. Several threadlike strike-throughs are visible on the obverse, and the devices are bold.

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