Who can provide info about these marks? Help!

[claulabo]

Hi,
I am very curious to learn about the marks on chalices I just bought. I tried to identify the letters, but I cannot say which letters are...
GEM??? SFM????
Please, If you had seen something similar, let me know. I attaching an image.
Thanks,
Claude

[2209patrick]

Hello.

That's a silverplate mark used by Corbell & Company, check here:
http://www.925-1000.com/silverplate_C.html" onclick="window.open(this.href);return false;

Pat.

[claulabo]

Thanks, Pat
It makes sense now.