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  • 2 messages
  • November 21, 2022 13:01
November 21, 2022 13:01
Hi everyone, I have a 10 fr 1973 Belgium coin that is gold colored. Is there anyone who can tell me what is going on with this coin as I can't find anything that could explain this.
Thanks in advance!

Barbara

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  • Catalogue administrator
  • 65 messages
  • November 23, 2022 02:46
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November 23, 2022 02:46
It certainly won't be corrosion, but it is quite remarkable. Maybe this coin was once dipped by someone in a different material and it got stuck on the surface or someone released a chemical reaction on it.
I know some people sometimes cash in coins, maybe someone here did it with an ultra thin layer of gold.

It looks more like brass, although it seems unlikely that the Belgian Mint would accidentally use the material of a 20fr coin (nickel-brass) when making a 10fr coin (nickel). The coin plates here look the same size, while those of the 20fr are normally slightly smaller.

It seems unlikely that there is much value in it, but if you ever run into a specialist I would certainly ask them a question about it.
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  • 1 message
  • December 03, 2022 13:58
December 03, 2022 13:58
Ik heb dit even nagekeken en vind hier in elk geval niets van terug, noch in het vervolg van Grispen op de catalogi van Dupriez en Bogaert, noch in de catalogus van Laurens Aernout van 2022. Proefslagen kunnen soms in een andere legering zijn, maar dan verwacht je 1969 als datum in plaats van 1973. Ik zou dus ook denken aan een dun laagje extra, maar de stukken waar ik zulks bij heb gezien, verloren dan aan reliëf hetgeen hier niet het geval lijkt.
Ik verwacht niets spectaculairs, maar ben wel benieuwd naar de verklaring.
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