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: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 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...
MINT ERROR – 5 PTAS 1993 coin of St. James
Mint Error coins. The coin is from the period of King Juan Carlos I (1975 – 2001)
Metal alloy Aluminum and bronze
Weight 3 grams
Diameter /17.5
Thickness / 1.9
Obverse / ESPAÑA /...
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...
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: 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...
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 common practice is to crush...
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:...
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”...
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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...
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...
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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...
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...
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...
