Tenuta San Guido ★ 5.0
The Bolgheri estate where Mario Incisa della Rocchetta planted Bordeaux cuttings in 1944. First released as Sassicaia 1968; awarded its own Bolgheri Sassicaia DOC in 1994.
Tasting: Strictly limited visits; the estate prioritises trade and allocation customers. Public access is rare.
Signature wines: sassicaia, guidalberto, le-difese
Scores: Wine Advocate 100 (1985)