Mosaic glass wall lamp designed by Cosack Leuchten, Germany in 1968/1969 seventies and made in the 1970s. Dimensions: h x w x d = 15 x 21 x 8.5 cm. Material: metal and colored glass. Color: multicolored (see photos). Condition: very good and original with normal traces of use (see photos). The lamp can be switched by means of a pull switch. The wiring has been checked by an electrician. Source: Cosack catalog 1968/69, page 26. 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.