Rare wall lamp by Josef Frank for Kalmar Vienna. Design circa 1930; manufactured circa 1950. This design was later distributed by Svenskt Tenn under model number 2335. This is an original piece from Josef Frank's time in Vienna. Two E27 sockets. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.