Mid century sconce wall lamp copper metal glass

Fantastic 1950s to early 1960s wall lamp. The base is a round concave copper disc. It holds the frame which is made of black metal and copper. The shades are made of yellowish matte glass. Good condition, no damages at the glass, some wear at the copper disc. We recommend professional installation. Dimensions: diameter 15 3/4" (40 cm), depth 6 3/4" (17 cm). Shades height 6 3/4" (17 cm), diameter 3" (7.5 cm), weight 2000 gms. 39___1.