Robert Bush Antiques has dated this piece to the Victorian era.
It's hallmarked for London 1868 with the silversmiths mark for John, Edward, Walter & John Barnard (Barnard & Sons) and also shows the retailers mark around the base of the jug as Elkingtons of Liverpool.

The mug is decorated around the body with birds and is gilded inside.
The whole item is in excellent condition (any marks you can see are just reflections).
There are no initials or monograms and it weighs 198.6 grams / 6.3 troy oz.
This lovely mug will come with a certificate of authenticity.
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Robert Bush Antiques has dated this piece to the Victorian era.
Antique georgian, victorian & edwardian silverware & collectables, antique boxes and caddies and decorative items.
You can view the stock and full dealer information on the Robert Bush Antiques Profile Page
Robert Bush Antiques is a registered member of LAPADA