The 1979 Tenuta San Guido Sassicaia is one of the legendary wines from Tenuta San Guido, a winery located in the Bolgheri region of Tuscany. Sassicaia is often credited with putting Italy on the map for producing world-class red wines that rival the best Bordeaux, particularly due to its Bordeaux-style blend of Cabernet Sauvignon and Cabernet Franc.