La Copa Extra Seco Vermouth Gonzales ByassIn Gonzlez Byass, the first references of Vermouth go all the way back to 1896. Our inventory shows the existence of Vermouth between 1896 and 1926. First, it was found in sections about imported wine and later, from 1909, it was included in the bottling in various regions. The Vermouth La Copa range is based on these recipes and the label designs are referring to the ancient Vermouth labels recovered from Gonzlez Byass historical archives. Clean