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 the reverse and marked "D"...

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 coin is 700 Euro Stefan Proynov:...

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...

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 for the provided information, with...
MINT ERROR or mechanical defect: Germany - GDR 5 stamps, 1972

MINT ERROR or mechanical defect: Germany – GDR 5 stamps, 1972

MINT ERROR or mechanical defect: Germany - GDR 5 stamps, 1972 Stefan Proynov: Expert mint error coins european A very common German Democratic coin was sent to our laboratory for analysis. Is...
Stefan Proynov: A unique wrong coin

Stefan Proynov: A unique wrong coin

Stefan Proynov: Erroneous coins gain more and more numismatic value, and the bigger the mistakes, the higher their price. The truth is that each errant coin is unique in...

Error coin of Queen Beatrix of the Netherlands

Mint Error coin with a face value of 25 cents since 1993. of the Queen of the Netherlands Beatrix in circulation since 1982. until 2001 The coin is made round...
Mint error Nikel 2015 PCGS

Mint error Nikel 2015 PCGS

An expert on wrong coins in Europe, Stefan Proynov, claims that more and more wrong coins are finding their place on the market. Here is one registered by PCGS. For many...
Stefan Proynov: Mint Error - 1995 P Kennedy Half Dollar

Stefan Proynov: Mint Error – 1995 P Kennedy Half Dollar

Stefan Proynov: 1995 P Kennedy Half Dollar Mint Error - Off Center ~20% Stefan Proynov: Here is a coin from 1995 P Kennedy Half Dollar Mint Error - Off Center...
Stefan Proynov Mint error Italy coin

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 missing from the bottom of...

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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 My estimated price...

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