Three round 1950s wall or ceiling lamps made of metal and plexiglass shades

Three rare round Mid Century wall or ceiling lamps made of metal and plexiglass shades. Made in Germany in the 1950s. All three lamps are identical. Typical very nice minimalist Mid Century industrial design. All three in very good condition and original color with very little signs of wear. Fully functional with an original brass E14 socket. Rewired due to age. One shade is minimally deformed by heat. You only recognize that when you look very closely. A yellow lamp has some color loss on the back. Suitable for all living areas and very decorative. Works with 220V and 110V. Overall diameter: 24.5 cm / 9.65" Diameter plexiglass shade: 19 cm / 7.5" Depth: 6 cm / 2.4".