Antique Pewter has dated this piece to the 1800s.
A good straight sided 1 quart measure by Thomas & Townsend Compton of London, who worked 1802-1814.
There is a WR Crown verification to the left of the handle and a clear makers mark inside the base.

The front of the measure is engraved in large script, 'Gilcomston Brewery 12'. Gilcomston Brewery was in Aberdeen Scotland.
Provenance:
Ex Albert Bartram collection.
Published examples:
None known.
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: 5.875 in (15.00cm).
Base diameter: 4.875in (12.40cm).

Capacity: 1 quart.
Weight:
Pewterer's reference number:
Pewter Society: PS1868 - Thomas & Townsend Compton
Cotterell: Old Pewter: Its Makers and Marks - OP1064.
Shipping costs:
UK: £10.00
Europe: £25.00
USA/Canada: £35.00
Other countries: Please ask.
Stock number: P-233.
Antique Pewter has dated this piece to the 1800s.
Antique british & european pewter.
You can view the stock and full dealer information on the Antique Pewter Profile Page