Discussion in 'Error Coins' started by Alexander Sanchez, Dec 19, 2019.
1969 S Lincoln Memorial Cent DDO! friends is this a good one? or not
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Notice how both the date and mm look doubled? Prior to 1989, the mint hand punched the mm on dies. Doubling on coins like the 1995, 1969-S and 1955 cents are due to the working hub being slightly misaligned when it presses the working die (it used to take multiple presses to make a die). The die is already doubled when the mm is punched. So if both the date and mm appear doubled on coins before 1989, there is a high probability that the coin is MD or DDD
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