Martha BOTO Untitled - 1970 Plywood, aluminium, plastic balls, light bulbs and electrical system Signed and dated on the back "Martha Boto, 1970". H : 68.0 cm, W : 68.0 cm, D : 59.5 cm Provenance : Atelier Martha Boto, Paris Sale, Paris, Artcurial, 12 December 2006, lot 500 Sale, Paris, Aguttes, 18 May 2021, lot 72 Acquired during this sale by the current owner