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

It is clearly hallmarked for Sheffield, 1890 and the maker John Round. It weighs approximately 35g.
It is in very good condition. There are some minor signs of age and use and a few faint surface marks but nothing detrimental. It has been lightly cleaned and polished and is ready for use.
The box is good quality with a silk lining and fitted velvet base. The interior is clean and tidy and the retailer’s name is printed under the lid.

Approximate Measurements :
Box : 3" (8cm) x 2 1/4" (6cm)
Width of Napkin Ring : 2" (5cm)
Height of Napkin Ring : 1" (2.5cm)
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 £6
Rest of the World £25
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