- Artist/s
- Klaus Geldmacher
- Francesco Mariotti
- Title
- GM-Aktie
- Year
- 1968
- Edition / Serial number
- 100
- Category
- Audio
- Sculpture
- Material / Technique
- metal frame, light bulbs, acrylic glas
- Dimensions / Duration
- 30,5 x 30 x 18 cm
- Collection
- ZKM | Center for Art and Media Karlsruhe