Antique Pewter has dated this piece to the 19th Century.
A good one pint measure, by M Fothergill & Sons of Bristol, England who worked 1793 - 1835.
The inner base is marked with the makers mark along with a crowned X, and to the left of the handle are the four maker's hallmarks.

Below the hallmarks is a clear IMPERIAL label.
Ownership initials TCM are stamped in large clear letters.
The single verification mark is for Somerset County.
Provenance:
Albert Bartram collection.
Condition:

Excellent condition with a lightly polished silver grey finish and some traces of light oxide.
Repairs: There are no repairs that I could detect.
Size:
Height to rim: 5.00 in (13.00cm).
Capacity: 20.00floz.

Pewterer's reference number:
Pewter Society: - PS3468.
Cotterell: Old Pewter: Its Makers and Marks - OP1740.
Shipping costs:
UK: £15.00
Europe: £30.00
USA/Canada: £40.00
Other countries: Please ask.
Stock number: P-252.
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