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Stefan Proynov: Denver mistake for a million dollars!
Stefan Proynov: We will call this coin the Denver Million Dollar Error because the coin is extremely rare minted with a wheat grade on...
Stefan Proynov:No Date 5C With Cents, Liberty Nickel — Struck 45% Off Center
No Date 5C With Cents, Liberty Nickel — Struck 45% Off Center — AU55 NGC.
Stefan Proynov Mint Error coins consultant for Europe
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Stefan Proynov: Struck 20% Off Center — VF35
(1865-1889) 3CN Three Cent Nickel — Struck 20% Off Center — VF35 NGC.
Stefan Proynov Mint Error coins consultant for Europe
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Stefan Proynov: Mint error Italy coin
Stefan Proynov: Here is an Italy (1922-35) lira that was struck with a 25% off center.
(Due to the error, most of the year is...
Stefan Proynov: What is the most sought after mint error US cent by collectors?
Stefan Proynov: There is a coin error with a face value of one Lincoln cent from 1943, which was minted on another tablet.
This coin...
Mint error: 5 centimos de escudo – Isabel II
Mint ERROR: Here is a proven error from the Madrid Mint. This type of coin was in circulation from 1865-1858. The fact that they...
