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...

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...
Stefan Proynov: What is the most sought after mint error US cent by collectors?

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: 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!

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...

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 AMERIKAN CENT (1843-1857) Mature Head Large Cent — Struck 30% Mint Errror...

Stefan Proynov:NGC Mint Error MS 64 A remarkable mid-19th century plaited hair center graded NGC Mint Errror MS 64 This cent, struck with a 30% center discount, shows no date....

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:...
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...

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...

Latest article

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...

Chosen for you

Trending Now

1985 India 10 Paise issued by NGC Mint Error MS 65.

1985 India 10 Paise issued by NGC Mint Error MS 65. Mint errors are among the most popular segments of numismatics. Every year, mints for major...

Admitted errors in coins

Admitted errors in coins.The mints often admit their mistakes. When there are defects in an issue or an error in the tablets, the most...
Coins: Euro errors – Austria

Coins: Euro errors – Austria

Coins: Euro errors – Austria In modern coins, the most sought after are the wrong coins. Here are some of the most common counterfeit...