A MASTER HUB MYSTERY

Something vanished from the United States Mint sometime between 2008 and 2022. No announcement was made. No one seems to have noticed.

https://coinweek.com/the-case-of-the-missing-master-hub/

 

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After almost 15 mins of reading, and still not done, I think that the article is way too long.

 

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 longer a part of the die making process. If that is true, any attributions of Master Die Doubling that assume Hub Doubling are inaccurate.