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Stefan Proynov: What is the most sought after mint error US...
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...
USA
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%...
Stefan Proynov: Gold coin Double Struck Mint Error
Stefan Proynov: Gold coin Double Struck Mint Error
Stefan Projnov: Check out this stunning mint error: an 1863 Great Britain sovereign that was Double Struck!...
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...
MINT ERROR COINS 1998 Cent with Obverse Die Cap NGC MS 66 RB.
MINT ERROR COINS: 1998 Cent with Obverse Die Cap NGC MS 66 RB.
Check out this superb 1998 Cent with Obverse Die Cap Error, graded...
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...
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: 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...
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...
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...
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...
LATEST ARTICLES
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...
