Item No. lem377.

Filigree glass, a large platter of Art. Design, Heikki Orvola, Nuutajärvi.

Height 2.5 cm, diameter 36 cm, weight 1,421 kg. Year 1980-82

The bottom of the signature, Heikki Orvola Nuutajärvi Notsjö


Filigree is called into glass-blown glass that is fused to the surface layer streaks.

https://en.wikipedia.org/wiki/Heikki_Orvola