March 752 BDG, Richard Robarts Mallory Shellsport 5000 race March 1976 7x5" photo

Former Brabham F1 driver Richard Robarts in his March 752 leads John Calvert's 732 and Brian Robinson's Lola T350 in the first round of the 1976 Shellsport 5000 series at Mallory Park in March.
Not a very sharp image but unusual. 
5x7 inch (125x175mm) photo recently printed from an original slide in our archive