2023 Nickel: Unusual M And Other Letters.

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Me personally I do not look at the coins from 2000 till now as the same as before on two squeeze. I wrote many time not to look at the coins in the same way. Seem the communities of collectors are stack with the old 9 plus 3 doubling classes and the Mint process before 2000.

Essentially what you are saying is that the post-2000 changes to the minting process (including hub and die making) must be treated as separate from the older manufacturing. Some old doubling classifications are no longer likely—or perhaps no longer even physically possible—and new quirks have been born that cannot be accurately described by the old I-VIII. Nickels are a good example coin, because the transition to single squeeze changed a great deal about how and where errors can be introduced in the manufacturing process.