Ruggeri’s quality is remarkably high, arguably the highest in Conegliano Valdobbiadene”; “Giustino B. stood out remarkably in our blind tasting of 190 Prosecco” – Christie’s World Encyclopedia of Champagne & Sparkling Wine Established in 1950 by Giustino Bisol, the Ruggeri family boasts a long tradition of winemaking, and its vibrant Prosecco di Valdobbiadene is universally recognized as one of the finest sparkling wines produced in Veneto. """