David Pickett Antiques has dated this piece to the 19th Century.

The condition is very good with no dents or splits. With a very firm mechanism and a clean interior. The plating is in very good order, with no signs of plate loss but with a few minor scratches as to be expected due to age and use.
Weight approx 1.6kg.
Height approx 24cm
Span approx 22cm
Depth approx 12cm
Depth when open approx 30cm
David Pickett Antiques has dated this piece to the 19th Century.
Specialists in old sheffield plate
You can view the stock and full dealer information on the David Pickett Antiques Profile Page