The 1955 Ferrari 750 Monza s/n 0500M‎ (nearest) with Piero Carini, about to WIN the Coppa Lombardia at Monza racetrack on 8 May 1955.  He had entry #330, and the other entry #332 is the 1955 Ferrari 750 Monza s/n 0514M‎ of Luigi Piotti), this according to <a rel="nofollow" class="external autonumber" href="https://www.ferrarichat.com/forum/posts/140186971/">[1]</a> who claims this picture is from the book "The Ferrari" of Gianni Rogliatti.
Unknown photographer
<a rel="nofollow" class="external autonumber" href="https://liguriaterradimotori.files.wordpress.com/2016/02/8-mai-1955-coppa-lombardia-piero-carini-330.jpg">[2]</a>