Tag: Stefan Proinov error coin expert

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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...

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...

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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...

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...
MINT ERROR – 5 PTAS 1993 coin of St. James

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...