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1921-S Lincoln Cent Strike Doubling

Started by Verify-12, November 20, 2023, 01:44:46 AM

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Here's a 1921-S (San Francisco Mint) Lincoln Cent.  It's a nice early example of strike doubling (machine doubling), and a more extreme example than is normally found on most early Lincoln Cents.


I general, "double strikes" are caused by setting the press at a pressure that is too high. However, since only the date seems to be concerned, it would be logical if in this case the cause is a date punch that was used a bit too forcefully to complete the die.

An unidentified coin is a piece of metal. An identified coin is a piece of history.