Puckerings has dated this piece to the Victorian era.

The underside is fully marked for the world renowned English silversmith, Mappin & Webb Ltd. It is also marked "Princes Plate / Triple Deposit". This piece is lucky enough to have an English design registration number of 71552, this piece originally designed in 1887, late Victorian in era with a simple modernist style.
Excellent condition, measuring 18 1/2" x 6" x 1".
Item: 44453
FREE Worldwide Registered Airmail Directly From the UK
Puckerings has dated this piece to the Victorian era.
A quality online collection of fine english antique smalls with free worldwide shipping from london, england
You can view the stock and full dealer information on the Puckerings Profile Page