Edited sentence: In 2003, Italian authorities seized the Tresanti estate near Montespertoli, 18 kilometers from San Gimignano in Tuscany.Mafiosi are said to be transferring their interests to Tuscany, which many discovered while serving time or visiting friends in the large number of high-security prisons there.The estate, which produces olive oil and Chianti wine, was the jewel in the crown of a €32.5 million Mafia fortune owned by Francesco Madonia