Mind-Boggling MS66 Error!
Mind-Boggling MS66 Error! Early error coins are scarce in general, but this coin is incredible. This piece ranks among the most amazing half cents of the 1790s that we...
Majestic Mint Error!
Stefan Proynov: Majestic Mint Error! Wow, how amazing is this? Rarely are off center errors seen in the Standing Liberty quarter series and this coin is WAY off center!
This...
Mint Error Netherlands 1 gulden, 1996
For your attention an interesting error coin of Mint Error Netherlands 1 gulden, 1996
It is rare to find such a coin injured in so many places, but here is...
Double Struck 1787 Connecticut Copper
1787 Connecticut Copper, Draped Bust Left, -- Double Struck, Corrosion -- NGC Details. Fine....
Stefan Proynov: Error coin expert for Europe - I couldn't miss this unique coin
Stefan Proynov Mint...
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Stefan Proynov: MINT ERROR FAKE COINS
Fake American dollar - mint error We publish a photo of another counterfeit caught by Stefan Proynov and published on fakeart.eu.
We thank Stefan Proynov...
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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