In A Nutshell Antiques and Interiors has dated this piece to the Victorian era.

It is clearly hallmarked on the base for London, 1841 and the maker John Welby. There are also hallmarks on the handle and below the lid. It is an excellent quality piece and it weighs approximately 764g.
It is in very good condition for its age.
Ivory Registration Reference : S63Q14BX
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 £15
In A Nutshell Antiques and Interiors has dated this piece to the Victorian 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