Model Efeso Table Lamp in Murano Glass by Ercole Barovier for Barovier & Toso, 1960s

See rare “Efeso” table lamp. This blue series is called EFESO and is very rare. Manufactured by Barovier & Toso in Italy in the 1940s. Spherical glass with a blue pattern and button-like melts on the outside. It is similar to Crespuscolo lamp.
Marked with the Barovier&Toso paper label on the base.
Unfortunately there is a crack in the glass (see photo) This piece has an attribution mark,
I am sure that it is completely authentic and take full responsibility for any authenticity
issues arising from misattribution,
European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.