Stereo Spherical Speakers Grundig Audiorama 210, 1970, Set of 2

Stereo spherical speakers Grundig Audiorama with a typical design of the space era, original from the 60s and 70s.
The speakers are in good vintage condition but presents wear marks in accordance with age and use. Note visible blows on the gates of the speakers.
These speakers have been tested and are in good working order.
Dimensions
height 20 cm
Diameter 20 cm
This piece is attributed to the mentioned designer/maker. It has no attribution mark and no
official proof of authenticity,
however it is well documented in design history. I take full responsibility for any authenticity

issues arising from misattribution