Art Deco stem glass with overlay and decorative cut, Theresienthal around 1920-30

Stem glass made of colorless crystal glass, disc base, octagonally faceted shaft merging into a tulip-shaped cup, lower part with peeled cut, upper part with violet overlay, wall with decorative cut in eight repeats. Wine glass is in intact condition. Theresienthal crystal glass factory, form 2223, approx. 1920-30. Height: approx. 19.6 cm.