Would it be Edwin Stammers ? Any better guess ?

Hi folks !

just acquired a vintage blade, and the tang is not that legible so I wondered if any of you could be of help.
Attachment 349293

Regarding the shape of the blade and the tang, I suppose it should be a circa 1820 British blade.
I am not a specialist of British cutlers and associated directories, so my best guess, using a 1818 directory of which I can't guarantee the exactitude, I would say Edwin Stammers, whose cutlery shop was at Strand 99.

If anyone is able to confirm, correct me, or give more information, that would be much appreciated.

Have a nice day

This is a pretty good reference especially for stamps.

TRADEMARKS ON BASE-METAL TABLEWARE https://sha.org/assets/documents/Trademarks%20on%20Base-Metal%20Tableware.pdf

I searched it with the find in page tool and didn't find anything but maybe I missed something. If nothing else it may help you in the future.