set of 3 vintage 1960s Philips ceiling lamps, iced glass and metal

Very nice minimalistic sconces / flush mounts by Philips Eindhoven. The lamps consists of 2 metal parts, one lacquered white and a larger one lacquered black. The lampshade is made of thick iced glass. 3 lamps in a set. 
 
21 cm H, 20 cm W, 20 cm D.