Lancaster Antiques has dated this piece to the 1920s.
5cm in diameter.

The Mappin & Webb trade mark is just under the handle and clearly reads:
Mappin & Webb
Princess Plate
London & Sheffield
then a triangle arch above with the mark Triple Deposit
The tankard is in very good condition with no signs of damage, the plating is

slightly worn in a few places but mostly around the edges of the bands and shield - the price reflects this.
Postage and packing is included in the price for the UK mainland and for remote areas or abroad please contact us for a delivery quote.
Lancaster Antiques has dated this piece to the 1920s.
You can view the stock and full dealer information on the Lancaster Antiques Profile Page