In A Nutshell Antiques and Interiors has dated this piece to the Georgian era.
It is clearly hallmarked for London, 1789 and the maker John Crouch & Thomas Hannam. It weighs approximately 545g.
It is in very good condition for its age. There are no major damages and it displays beautifully. There are some faint marks and some light surface scratches but nothing detrimental.
It has been gently cleaned and polished and is ready for use.

Approximate Measurements :
Height : 1" (2.5cm)
Diameter : 10" (25.5cm)
The best description comes from the photos so please look at them all carefully and if you have any questions just ask.
Tracked UK Delivery £10
In A Nutshell Antiques and Interiors has dated this piece to the Georgian era.
Selling good quality victorian, georgian and earlier furniture, accessories & decorative items. Ashburton, devon. LAPADA member
You can view the stock and full dealer information on the In A Nutshell Antiques and Interiors Profile Page
In A Nutshell Antiques and Interiors is a registered member of LAPADA CINOA