Stefan Proynov: Bulgarian coin in TOP 5 MS67 1 lev 1962 turned out to...
Stefan Proynov: Error coin expert for Europe: This year, NGC gave one of their highest grades to a 1962 Bulgarian 1 Lev coin and it turned out to be...
Heritage Auctions Coins- Captivating Off-Center Cent!
Stefan Proynov: Error coin expert for Europe - I couldn't miss this unique coin
Captivating Off-Center Cent!
This notable error coin is pedigreed to the collection of Fred Weinberg, a respected...
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...
finland 1949 5 markkaa suomen tasavalta mint error
Stefan Proynov: Error coin expert for Europe - finland 1949 5 markkaa suomen tasavalta mint error
Here we see a coin with a cracked die on the reverse.
The tracks are...
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: Spectacular 1794 Doublestrike!
Stefan Proynov: Spectacular 1794 Doublestrike! ⚡⚡ There are no rarity ratings available for error half cents, but this coin is certainly rare! A normally struck 1794 B-2b half cent...
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...
Stefan Proynov: Error exspert- 25C D 1993 WASHINGTON QUARTER MINT ERROR
Stefan Proynov mint error expert for your attention an American coin in the highest quality MS70.
We see it turned on the reverse side of the coin. This is a...
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...
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...
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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...
