1 Forint-1879- destroyed silver

4 posts
MIMAEL
Joined: 25 Ara 2016
Posts: 1920
Posted: 5 Şub 2018, 13:19 #
Posted: #
Hello colleagues
Does this disease have a silver (0.900) diagnosis? It should be silver of the highest quality! What can be the cause? Or what chemical was in the past in the coin ?

https://en.numista.com/catalogue/pieces4736.html


Ahoj Ivan
apuking Catalogue referee
Joined: 31 Ekim 2012
Posts: 9391
Posted: 5 Şub 2018, 15:55 #
Posted: #
A heavy fire maybe?
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oggy
Joined: 8 Mart 2016
Posts: 1777
Posted: 5 Şub 2018, 16:32 #
Posted: #
Could be sea water damage.

Looks like a heavily corroded shipwreck coin.
MIMAEL
Joined: 25 Ara 2016
Posts: 1920
Posted: 5 Şub 2018, 16:43 #
Posted: #
Quote: "apuking"​A heavy fire maybe?
​Hello
Thank you. This is a possible explanation.
I was still thinking about chemicals. The short-term effect of elevating the temperature (above 893 ° C) - before it began to tear it's that of the balls and craters. Thank you, Surely she has a history and maybe not the most beautiful.

Ivan
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