www.925-1000.com

A dear friend asked me to enquire about those marks. There are
1.) "wheel" + "13", within a shield
2.) the wheel
3.) an additional "13", struck above one wheel
4.) a fuzzy makers mark, most likely "MARTIN"

Any information is highly appreciated.

it is Mainz
Philipp Bernhard Martin (*1793-1850)


viewtopic.php?t=18912

Thank you, Theoderich!
(I miss your web page a lot, it was valuable in such cases)