Proof 1972-S Washington Quarter
Double Struck on Roosevelt Dime
Double Denomination

NGC PF 68
One of Two Known
SOLD

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This is an unbelievable and fantastic proof mint error. It is only one of two known proof Washington quarters double struck on struck dimes. It was preserved in amazing condition and some detail remains from both of the quarter die strikes. There is some detail remaining from the original dime design, which is noticeable underneath the two quarter strikes.

Proof coins are struck by technicians who hand feed the blanks into special presses. They are produced, examined and packaged using extreme quality control. It is very unusual to find major proof errors. A few broadstrikes, off-centers, double strikes (in collar) and off-metals have been known to be found in sealed proof sets. Proof errors are aggressively sought after by many error collectors.

A very small group of Proof errors recently came from a collection that was auctioned by the State of California. The U.S. Secret Service inspected and released this collection to the State of California determining that it was legal to own. The State of California then auctioned the collection and it has been dispersed since the sale.

This proof mint error is fascinating since it combines rarity (only two known), quality (Proof 68) and spectacular eye appeal. This U.S. proof mint error belongs in a major collection of the finest error coins.

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Proof Errors are featured in chapter 21 of my
NLG Award winning book, World's Greatest Mint Errors:

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