Stunning pendant light designed by aloys f. Gangkofner for peill & putzler , germany, 1950s sockets: one x e27 standard bulb. (100 w max). Light bulbs are not included. It is possible to install this fixture in all countries (us, uk, europe, asia, australia,\.) this piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I 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.