Hallmarks on crescent moon - Any ideas?

[RetroQT]

I can tell what the middle two are but not the two on the ends. Do they look familiar to anyone?

 

[stracci2000]

I think after the 375 is the panther mark for London.
It's hard to tell, see what you think....

Gold Hallmark Identification Wizard

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[RetroQT]

I think after the 375 is the panther mark for London.

I was wondering if that was a panther. My eyesight is good, but not that good. LOL! I only have the 10x loupe but it’s hard to get a decent pic using a clip-on macro lens on my iPhone.

 

[stracci2000]

Ok, 375, panther for London, but what about a year letter.......hmmm, maybe you need a microscope to see these tiny marks!
I wonder how they even made stamps this small.

 

[RetroQT]

Ok, 375, panther for London, but what about a year letter.......hmmm, maybe you need a microscope to see these tiny marks!
I wonder how they even made stamps this small.

Right?!?!? Made my Kebler elves? LOL!