Unknown Britannia standard maker, 1713. Any help appreciated.

[42jbb]

Hello all, I have this Britannia standard rat tail from 1713, I think. I can't find the maker. Does anyone have any suggestions as to whom it could be? Any help will be greatly appreciated.





Many thanks.

[dognose]

Hi,

I'm sure it would be of benefit to have larger close-ups of the marks.

Trev.