J.l. Kalmar 1950s u-shaped glass with a green stripe. manufactured by j.l. Kalmar in austria. in very good condition. 2 in stock. 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.