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: 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 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...
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 is one of the most...
Mint error one cent since 1965
Mint error coins. To your attention a coin that is wrong one cent since 1965.
The coin has a large circulation and is heavily crushed on the front. This defect...
Gold Sovereign NGC Mint Error
1863 Great Britain Gold Sovereign NGC Mint Error MS 66
Stefan Proynov: For your attention, a spectacular mint error of a British sovereign; it's hit 50% off downtown. It has...
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 off-center and caused the loss...
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:...
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: 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...