An exceptional wall lamp by cosack. The lamp is from the 1960s and made in germany. The body of the lamp is made of brass. Measurements: diameter 29 cm height 10 cm the light requires one e27 (us e26) light bulb. Works with both 120/220v. Good vintage condition. 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.