Targa Florio at Collesano on 14 May 1967. The white car (left, #218) is a Porsche 910/8 driven by Jo Siffert and Hans Hermann. They ended in 9th place.<a class="external autonumber" href="https://de.wikipedia.org/wiki/Targa_Florio_1967">[1]</a> The other (#224) is the 1966 Ferrari 330 P3/P4 s/n 0846 of Nino Vaccarella and Scarfiotti, being pushed to the side by some policemen? after hitting the curb and ruining the wheels. The writing seems to be by Nino Vaccarella (signature).
Unknown photographer
<a rel="nofollow" class="external autonumber" href="http://www.targapedia.com/album_targa_florio/1948_1968/1967/TARGA%20FLORIO%201967%20-%20VARIE%20PILOTI/slides/Nino%20Vaccarella%20-%20Collesano%20incidente%20(2).jpg">[2]</a>