Tag: NGC gave one of their highest grades to a 1962 Bulgarian 1 Lev coin and it turned out to be a MINT ERROR.

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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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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 errant...

Error coin of Queen Beatrix of the Netherlands

Mint Error coin with a face value of 25 cents since 1993. of the Queen of the Netherlands Beatrix in circulation since 1982. until...

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...