This is a 1 pint copper tankard by Askew of Nottingham. These are more common in 1/2 pint size.
Vintage copper 1 pint tankard mug cup Nottingham?
Vintage copper half pint tankard by Askew Nottingham
FINE ANTIQUE PEWTER ½ PINT TANKARD MUG MEASURE BY MATHEWS, SCEPTRE BRISTOL C19TH
SUPERB SCOTTISH VICTORIAN PEWTER PINT TANKARD MUG MEASURE BY MOYES EDINBURGH C19
FINE ANTIQUE PEWTER PINT TANKARD MUG MEASURE BY YATES & BIRCH c1830
FINE ANTIQUE PEWTER ½ PINT TANKARD MUG MEASURE BY GERARDIN – WATERLOO TAVERN
