Discoveries

Set of 4 Weakly Struck American Eagles

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Coins that are weakly struck occur when a coin is struck from the press with very little pressure. When the press is being set up and adjusted, extremely weak strikes occur as the strike pressure reaches its optimum level. These weakly struck coins are usually destroyed after being struck and are rarely found in circulation.

This is a set of four American Silver Eagles weakly struck. Each of these four coins clearly show more detail with each strike as the die pressure is increased. This set of four progressive die trial adjustment strikes show the earlier stages of adjusting the pressure of the dies. These are different than the recently dated silver American Eagles that show only the slightest weakness in detail, only on the high point, but are still described and certified as weakly struck. It is important to note that these are dated 1986, which is the first year that the U.S. Mint struck the American Silver Eagles.

These were discovered by a coin dealer who opened an original roll from the U.S. Mint and immediately realized the significance of his discovery and sent them to NGC to be authenticated and certified.

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Die Adjustment Strikes are featured in the NLG award
winning book, World's Greatest Mint Errors.

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page 157




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