Gold Fobwatch markings

[jamesbrown]

Hi All, hope you can assist, I'm trying to identify the markings on this gold fob watch, please see photo in this link.
Regards,
Jamie
https://postimg.cc/VJ9CbH24

[dognose]

Hi Jamie,

Welcome to the Forum.

Always embed your images:



Trev.

[silvermakersmarks]

The hallmark is London, 1864/65 and the maker's/sponsor's mark, JB, is that of John Bacon, a specialist watchcase maker.

Phil

[jamesbrown]

Thanks Phil, much appreciated.