A pan-topped wine glass and a double ogee wine glass, circa 1760

The pan-topped bowl with a small base, on a double series opaque twist stem containing a corkscrew entwined around a spiral gauze, 15.4cm high, the other wine glass with a double ogee bowl with a hammered base, on a double series airtwist stem containing fine spiral threads outside of a multiple spiral core, 15.4cm high (2)

Provenance
Dr Michael Scorer Collection
The second-mentioned glass Sotheby's sale 12 February 1963, lot 8