Vintage "Cobra" desk lamp by Cosack Leuchten, Germany 1950
Mid Century Brass Floor Lamp by Gebruder Cosack, 1960s For Sale at 1stDibs
Gebrüder Cosack Leuchten telescope lamp in brass - 1950s
Botterweg Auctions Amsterdam > White lacquered metal wall lamp with chrome metal telescopic arm, designer unknown, executed by Cosack Leuchten / Germany 1950-'60
Space Age Chrome Flush Mounts by Cosack Leuchten, 1970s, Germany - A Pair | Chairish