Calegaro italian set 12 silver plated glasses in their original and exclusive boxes, 1960s Each glass signed Calegaro, silver plate Luigi Calegaro opened the shop of the same name in 1921, becoming the fourth Argentiere of Padua. In the post-war years, production grew rapidly in the highest quality standards. The second generation led by his son Francesco contributed and solidified the Calegaro brand in the world.