Certificate of authenticity and provenance by Nikol Art, with archive no. MMTB/RO/OP/970
Fire stamp of Nikol Art on the reverse.
Bibliography: "La Dinamica dell'oggetto visivo", Allemandi Editore, p.163; DOMUS 533, April 1974. Hemispherical structure in multilayer wood with interlocking orthogonal planes, all fourteen paintings in red. One of the most significant works by Massironi inspired and dedicated to the studies of the astronomer Tycho Brahe
Prototype created by Massironi for Nikol.
Provenance: Nikol Art, Padova; acquired from the artist in 1970