A late 19th century Victorian spiral glass beaker of tapering form with a silver plated rim and a star cut base. The inscription on the rim reads: W.W. from P.S.C. 1888.

English, circa 1888
 
Dimensions

Height: 13.5cm / 5 1/4”
Diameter (of opening): 8cm / 3 1/4”
Diameter (of base): 6.5cm / 2 1/2”