Proof Ike Dollar
Double Struck on Kennedy Half Dollar Planchet

NGC PF 68 Cameo
$20,000

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This is one of the most spectacular Proof Ike Dollar Mint Errors available today. Not only is it a spectacular double struck, it is also struck on a clad half dollar planchet weighing 11.2 grams.

There are 4 proof Ike Dollars known that were double struck on clad half dollar planchets. Another example known shows a double profile of President Eisenhower's head on the obverse and 2 moons and part of an extra wing on the reverse. This NGC Proof 68 mint error dramatically shows 2 heads on the obverse, while the reverse shows double wings and other details.

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 the ultimate modern major mint error on the highest denomination and has survived 46 years in amazing quality and preservation. It has deep mirror surfaces with a blazing cameo portrait. Recently an Eisenhower Dollar, also double struck on a Half Dollar planchet in proof, certified by NGC PF 66, sold for $19,200 in a Heritage Auction.

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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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