The colours on the base looks very Hortensja, the silver salt surface decorated pieces from the '80s, or even the older stuff Hortensja was emulating (I've forgotten the name).
The white and aventurine doesn't fit in with Hortensja. And I really can't imagine that they'd be used
in combination with the silver salts designs in WMF either.

I think we really do need clearer images.
