stamps in a watch case

[ksbornholm]

some it can help with these stamps in a watch case

thanks

[edited by Moderator to show embedded image]

[silvermakersmarks]

This appears to be a London hallmark with the date letter k for 1785, also including the duty mark (king's head) for this year. The maker's mark looks like RP, which would be the mark of Richard Palmer.

Phil