Pair of mid century glass ceiling lamps by Limburg, Germany 1960s

Pair of mid-century modern glass ceiling mount fixtures by Limburg (Germany, 1960s). Black round "iron" rings inlaid in thick hand blown transparent glass on metal bases. Minimal and geometric design casts a wonderful light (see pictures). They perfectly work as ceiling lamps/flush mounts or as impressive wall lights/sconces. High quality craftsmanship. Original stickers intact (model 2651). Cleaned, re-wired and ready to use (compatible in Europe, US, UK, etc.). Each fixture requires two E27 light bulbs, max 60W each. LED compatible. Width: 25.5 cm; depth: 25.5 cm; height 12.5 cm. Very good vintage condition. The listed price is for the pair. Reference : 282966