Antique Pewter has dated this piece to the 19th Century.
A good one pint tavern mug, by Susannah Cocks of London, England who worked 1820 - 1847.
The mug has U shaped slightly 'droopy' body and stands on a stepped foot. The handle is of double scroll form with a fish tail terminal at the lower end. There is a set of three hallmarks to the left of the handle.

Provenance:
Albert Bartram collection.
Condition:
Excellent condition with a lightly polished silver grey finish and some small traces of light oxide.
Repairs: There are no repairs that I could detect.
Size:

Height to rim: 4.50 in (11.50cm).
Capacity: 20.00floz.
Pewterer's reference number:
Pewter Society: - PS1779.
Cotterell: Old Pewter: Its Makers and Marks - OP1192.
Shipping costs:
UK: £15.00
Europe: £30.00
USA/Canada: £40.00
Other countries: Please ask.
Stock number: P-254.
Antique Pewter has dated this piece to the 19th Century.
Antique british & european pewter.
You can view the stock and full dealer information on the Antique Pewter Profile Page