Cup made of colorless glass with a putto between vines, Haida technical school

Cup made of colorless thick-walled glass, solid, rising disc base, solid shaft, bell-shaped cup, wall with red-brown, green and purple transparent painting in the form of: Putto between vines with branches and leaves, polished vase rim, polished base with dislocated tear-off. Cup is in intact condition. Design by the technical school in Haida, executed by Joh. Oertel in Haida around 1920. Height: approx. 16.2 cm, diameter: approx. 12.2 cm. Lit: Modern glass art, Torsten Bröhan, page 234, ill. 103.