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oel wrote:Indeed 19 century ring, to me it appears the gold is blackened ( black enamel) perhaps a mourning ring. I believe the one mark to be the maker's mark.

Peter.

Thank you :)

Hi Peter,

The antique dealer has given me information that it has tested 12-15k gold. It is an antique ring from the 19th century.
This is the only mark on the ring. This mark is too unfamiliar. If it is a mark of the Polish Convention, would it be added later?

I collect antique jewellery but I ...

I have collected this ring for a while, and there is a mark on it. I have been unable to find relevant information.
I guess it is from European national precious metal certification, but I can't find relevant information.
Looks like an eagle? Or some kind of animal?

Does anyone know?Thanks

https ...