How do I identify an air twist?

Look closely inside the stem for spiralling threads of air trapped within the glass. These channels catch the light and create a delicate, silvery appearance when rotated.

Were these glasses used daily?

Many examples served utilitarian functions at the table, though fragile specimens likely saw reserved use during toasts. Heavier rummers and ale glasses handled robust everyday dining routines.

What is a folded foot?

The rim of the base is tucked underneath during manufacture to form a smooth, rounded edge. This method added physical weight and structural durability to the base of the vessel.

How do I date antique stemware?

Examine the bowl shape, the composition of the metal and the specific formation of the stem. Eighteenth-century pieces typically feature distinct twist configurations and pontil marks on the underside.