Hennessy VS (short for Very Special) is one of the most popular Cognacs in the world. It is produced by Hennessy, a historic French cognac house established in 1765. Type: Cognac (a style of brandy) Volume: Typically 750 ml (standard bottle size) Age Classification: VS means the youngest eaux-de-vie (distilled wine spirits) in the blend has been aged at least 2 years in oak barrels. Hennessy VS is a blend of around 40 different eaux-de-vie.