Emilio Materassi in Fiat at 1920 Coppa delle Consuma, a 16 km race in Tuscany. He won the class between 2,5 and 3,5 litri with this Fiat 20-30 HP.<a rel="nofollow" class="external text" href="https://www.fondazionepirelli.org/archivio-storico/fotografie/detail/IT-PIRELLI-FT0001-0000000298/coppa-della-consuma-del-1920.html">says Pirelli</a>  On June 20, 1920 according to <a rel="nofollow" class="external text" href="http://www.kolumbus.fi/leif.snellman/hca2.htm">kolumbus.fi</a>
Unknown photographer
<a rel="nofollow" class="external autonumber" href="http://pilotosmuertos.blogspot.com/2014/10/emilio-materassi-1894-1928-italia.html">[1]</a>