https://coinweek.com/transitioning-curvatures-of-2026-p-dime-coin-dies-how-the-2026-p-emerging-liberty-dime-could-signal-a-new-era-in-u-s-mint-die-...
They also have the ability to do failure mapping! Of course these kinds of minor "die events" are not on their "to be concerned about" list, so...
It is apparent that the 2026-P Dimes exhibit a number of minor die cracks, breaks, and ripples concentrated in the area below the base of Lady...
This article is background information for an article in progress that will discuss the interplay between die curvature transitions and relief...
Mike Byers Book “World's Greatest Mint Errors” Is now available online. The book received the NLG (Numismatic Library Guild) Award: Best World...
I THANK YOU! Your coin fit! I appreciate your support!
You are not the first who has said this in response! Thank you! Of course, a stronger strike would be more likely with a higher crown!
The Mints both use the same presses. I assume they use the same sources for the rods out of which they cut the die blanks, but I do not have any...
I Offer an explanation here: https://coinweek.com/philadelphia-mint-errors-why-they-outnumber-denver-varieties/
FEEDER MECHANISM DIE DAMAGE PATTERNS: 2018 TO PRESENT I have been studying Feeder Mechanism Die Damage Patterns and the types of Feeder...
GOOD QUESTION! THANK YOU! Damage from the feeder mechanism has been found on both dies and sometimes shows on both sides of the same coin. The...
That would be nice to have freely available!
Thank you! I would expect most linear plating blisters to have a rounded profile in cross section compared to feeder scrapes which should show a...
FEEDER MECHANISM DIE DAMAGE PATTERNS ≈1990 to 2018 I have been studying Feeder Mechanism Die Damage Patterns and the types of Feeder Mechanisms...
Another snippet RE: Master Dies (from an article on Mint Directors since 1793) “Joseph F. Menna: The 13th and current chief engraver, Joseph F....
The Mint is now moving beyond CNC milled Master Dies to Laser Engraved Master Dies. The 2024 American Liberty silver medals and the 2025 American...
I am so sorry! Unfortunately, I did not write it considering attention spans! I will summarize for you: Implications are that Master Hubs are no...
Something vanished from the United States Mint sometime between 2008 and 2022. No announcement was made. No one seems to have noticed....
FEEDER MECHANISM DIE DAMAGE PATTERNS 1945 to ≈1990 I have been studying Feeder Mechanism Die Damage Patterns and the types of Feeder Mechanisms...
Thanks. I think the photos are adequate for my purposes for now.
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