(1865-1889) 3CN Three Cent Nickel — Struck 20% Off Center — VF35 NGC.
Stefan Proynov Mint Error coins consultant for Europe
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1787 Connecticut Copper, Draped Bust Left, — Double Struck, Corrosion — NGC Details. Fine….
Stefan Proynov: Error coin expert for Europe – I couldn’t miss...
Stefan Proynov: Erroneous coins gain more and more numismatic value, and the bigger the mistakes, the higher their price.
The truth is that each errant...
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...