Boardgamegeek https://boardgamegeek.com/boardgameexpansion/19652/ys
English - The 5 player expansion for Ys was released in Essen 2005. It also includes new character cards (12) and event cards (14), +5 gem cards (22), player aid cards (6), an additional screen, a marker and 14 blue broker cylinders for the fifth player, and additional rules.
Official http://www.ystari.com/accueil/jeux/jeux-originaux/ys/
French - Les joueurs incarnent des princes-marchands de la ville d’Ys. En utilisant habilement leur réseau de courtiers, ils spéculent sur l’achat de pierres précieuses, amassant ainsi de l’or.