Pete2226 ✭✭✭

The question has been raised: Why was a “Special” press being used to produce circulation coins? It seems that SB01 was not the only special press in use at this time for circulation coins. The image… (View Post)

DONE! Thanks for the suggestion! (View Post)

They appear to have NO IDEA how it is that crown heights of working dies differ, and apparently planned more research! I found no major difference in heat treatment processes between the 2 mints! I h… (View Post)

In my article I make the case that the problem is not Quality Control, but die geometry differences! (View Post)

I Offer an explanation here: https://coinweek.com/philadelphia-mint-errors-why-they-outnumber-denver-varieties/ (View Post)