Experiments and copy production

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How to prepare mined black silver from water for further processing

How to prepare mined black silver from water for further processing

jaccob
6271 16
As many of you know, even silver of high purity suffers greatly from prolonged exposure to water. A thick black patina begins to form on the surface, which grows into a crust with prolonged exposure to water, and this crust begins to stick to the surrounding grains of sand, etc.
Uproar in auction circles: the historically most expensive aureus EID MAR is a fraud!

Uproar in auction circles: the historically most expensive aureus EID MAR is a fraud!

GM4PRO
13611 4
When the unique golden aureus EID MAR was auctioned for $4.2 million in October 2020, a new world record was set. Few would have guessed at the time that the coin had been stolen from Greece and the owner of renowned London auction house Roma Numismatics would be arrested and charged with theft, possession of stolen property, conspiracy and fraud...
Production of a hinge for a customized coin

Production of a hinge for a customized coin

jaccob
6582 11
After some time, I figured that I hadn't made anything goldsmithing for a while after the memorial clips for Master Prospector, so it was time to make something nice.
I melted my gold

I melted my gold

jaccob
11163 31
Considering that the first two months of the new year were weather that wouldn't chase a dog away.So it was a bit of a time, after the heavy covid waves, to dig through the finds and sort out everything necessary and unnecessary.

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