GIACOMO BALLA (TORINO 1871 - ROME 1958) "Placeholder" 20s oil on panel h cm 21 side 7.8x7.8 Provenance Casa Balla, Rome G. Molino Gallery, Rome Molino Collection, Caresana Molino Collection, Milan This work is accompanied by certificate of authenticity on photograph issued by Luce Balla This work was viewed live by Dr. Elena Gigli, who confirmed its authenticity