Circuito di Modena on 28 September 1947.  We see:<br><li>Left/leader: #6 Luigi Villoresi (WINNER) in Maserati A6GCS, supposedly the debut of this kind of racecar,</li><li>#20 Franco Cortese in 1947 Ferrari 159 C s/n 002C (did not finish),</li><li>#24 Alberto Ascari in Maserati A6GCS (WINNER), the debut for this race car, </li><li>#16 Ferdinando Righetti in 1947 Ferrari 125 S s/n 01C (5th place),</li><li>#? looks like the "horseshoe grille" Ferrari</li><li>? </li><li>#? Guido Barbieri in Maserati A6 Sport</li>
<bdi><a href="https://www.wikidata.org/wiki/Q69385180" class="extiw" title="d:Q69385180"><span title="Italian photographer (1882-1958)">Ferruccio Testi</span></a>
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<a rel="nofollow" class="external autonumber" href="https://www.fondazionepirelli.org/archivio-storico/dm_0/PIRELLI/pirellixDamsPhoto001/high/IT/PIRELLI/FT0001/0000000243/IT.PIRELLI.FT0001.0000000243.0001.jpg">[1]</a>