Tag: Stefan Proynov: Erroneous coins gain more and more numismatic value
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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
My estimated price...
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
My estimated price for this...
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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...
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
My estimated price...
Stefan Proynov: Fantastic Washington Quarter mint error
Stefan Proynov: Fantastic Washington Quarter mint error
Check out this fantastic NGC-certified Washington Quarter that was Doub As you can see, the second strike was...
