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...
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...
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: 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! This is graded NGC Mint...
fake error coins. Error expert – is this a mistake?
Fake error oins of bulgaria..My name is Stefan Proynov and I study forgeries in numismatics.
In addition to making in-depth analyzes, we publish each discovery.
In recent years, modern coins have...
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 for this coin is 850...
Mint Error 1 Turkish Lira, 2016
Mint, Error on a coin from Turkey
commemorative coin in memory of the martyrs of July 15, 2016 (attempted coup in Turkey) Denomination 1 pound, 2016 quality seen in the...
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”...
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...
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 coins in Europe. Wrong coins...