Solera by the producers of sherry. In a Spanish sherry "solera", the vintner may transfer about a third of each barrel a year. A solera sherry has to be at least three years old when bottled. A quite similar process is called sostrera, used to produce fortified wines in the Mediterranean regions of France. In Sicily, where Marsala wine is made, the system is called "in perpetuum". Solera vinification is used in the making of Mavrodafni ("Black Laurel"), a fortified red dessert wine made in the Northern Peloponnese in Greece. Exceptional "Mavrodafni" vintages are released every 20 or 30 years: they
Vincenzo Florio Sr. wine ("Cantina Florio") in Marsala. He establish his winery between the ones of John Woodhouse and Benjamin Ingham, the original British pioneers in the Marsala wine trade. and became the first Italian producer of Marsala wine. He built splendid cellars in the town's tuff rock in which to produce and conserve the wine. Florio also invested in the sulfur trade, mainly to the British Empire. In 1840, he co-founded Anglo-Sicilian Sulfur Company Limited in Palermo with the British entrepreneurs Benjamin Ingham – also engaged in Marsala wineries – and Agostino Porry, for the production and marketing of sulfuric acid and