Thank you. OK. I'll post the photos when I'll have a chance to take it in a day light (y) ;-) It looks like a kind of scretch under the magnifier.
After some time I am possitive to confirm there is a letter "F*" in the hallmark but it is hard to read it even with a magnifier.
Last edited by Viki; 05/27/2021 07:37 PM.
