SAMPLE of 100 gold Nicolaus Copernicus 1973 - SILVER - REVERSED STEMPEL - OTHER WEIGHT.
Convex PRÓBA inscription on the reverse.
The only known piece, the Copernicus weighs 14.6g Ag.625 instead of 16.5g. - thin disc.
Additionally stamped with reverse stamp.
Top note. The only piece that received such a high note in the NGC.
Excellent coin, perfect piece with no flaws. Beautiful mint mirror.
Coin minted in unknown mintage.
Parchimovich: P354g/P354k