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Stan McDonald - author 's Blog

15 Jan 2022

Oddities - Sliced Three

Coins | Stan McDonald - author

The three on this Lincoln Cent appear to be sliced off. The die has been damaged, and coins minted with the damaged die appear to have a sliced three.

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14 Jan 2022

Oddities - Bow Tie

Coins | Stan McDonald - author

The Lincoln cent in the photo appears as if there is an extra part to the bow tie. It is an odd die crack that makes the bow tie look extended.

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12 Jan 2022

Oddities – States versus States

Coins | Stan McDonald - author

A comparison of the lettering on both coins shown in the photos reveals that the coin on the bottom was struck close to the rim, causing the letters to be distorted. Note the "S" on both samples are distinctly different.

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29 Dec 2021

Top ten ways to destroy coins - Part 6

Coins | Stan McDonald - author

Coinflips (non-PVC) is a standard method of storing coins. Flips are suitable for temporary storage for coins not in uncirculated condition.

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19 Dec 2021

Planchet Errors Part II

Coins | Stan McDonald - author

Planchet errors include split planchets. Planchets can be defective and partial before entering the minting chamber producing distorted coins less than the standard weight. Planchets can also split during the minting process, producing an underweight coin. In some cases, the pieces can detach after the strike, and both pieces are in a mint bag or box. PCGS grades coins with split planchets as before or after the minting process.The first photo is a Jefferson nickel with a split planchet before the strike. Note there are details on both sides of the coin. The second photo is a Nickel with a split planchet after the strike that broke apart in the minting chamber. Note that there are no details on the coin since this part fell away. There are cases where both pieces have been recovered and encased by the grading services. The last two photos are ordinary (worthless) cracked planchets produced during the minting process.By: Stan McDonald - Author of the number one error coin guide and numismatist

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15 Dec 2021

Machine Doubling

Coins | Stan McDonald - author

Machine doubling occurs when the anvil die slightly shifts during the stamping process. Novice collectors often mistake these coins for doubled dies. An actual doubled die will show doubling over the tops of the letters and numbers and not along the side. The 1972 Lincoln cent in the photo shows the machine doubling to the right side of the numbers in the form of flat areas. The 1986-D Lincoln cent shows material around the "D" pushed off the "D," revealing the zinc. There is a 1987-D Lincoln cent in the last photo with the "D" sharply sloping downward from the initial strike. The "D" on the 1987-D cent has been several degraded on the die from overuse expanding the mintmark. Don't be fooled by these coins.Stan McDonald - author and numismatist sinceCollecting since 1962😊

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12 Dec 2021

Die Fill

Coins | Stan McDonald - author

One of the most common errors is filled dies. Any raised area on a coin is created from a die which is the inverse. When debris fills the dies, the letters, or numbers are sometimes missing or minted faintly.

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