We believe this to be a Georgian tankard after a little research. Nice detail of a bullseye to base underside.
Fine Antique Georgian Copper Kettle - Hand-Cut Dovetails & Town Work - c.1800
Antique Georgian Copper Plant Pot Holder 8.75 Height 4.5 Inches
ANTIQUE GEORGIAN COPPER 6 PINT KETTLE WITH SWAN GOOSE NECK SPOUT & ROLLED HANDLE
Antique Georgian Copper Kettle 18th-century Country House Rustic Cottagecore
Antique Georgian Copper Coffee/chocolate Pot ( zinc lined) With oak Handle 9"T.
Antique Georgian Copper Kettle Swan Neck
