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 KETTLE CIRCA 1820
ANTIQUE GEORGIAN COPPER CERAMIC LINED PUB TAVERN SPITTOON BOWL DOG BOWL
Antique Georgian Copper Jug English 2-Pint Pitcher Vase Old Early 19C Period
Antique Georgian Copper Coffee Pot 1780 – Side Handle, Original Lid, Dovetailed
