Gunnel Nyman rare painted glass pendant

A very rare model '20317' pendant lamp by Gunnel Nyman for Idman or Taito, Finland. It has a frosted glass disc diffuser with a metal grid and it hangs from a wood an brass stem. The glass has a painted floral decoration, made at Kauklahti Glassworks, likely by Kyllikki Salmenhaara (1915 - 1981).