Tenuta San Guido was established by marchese Mario Incisa della Rocchetta, who was also co-owner of the race horse Ribot.
At a 1978 Decanter tasting of "great clarets", a panel including Hugh Johnson, Serena Sutcliffe and Clive Coates awarded the 1972 Sassicaia first place over a field of 33 wines from 11 countries [REF].