When the St Gallen merchant Emil Alpiger  (1841-1905) returned to Zurich in 1896, after more than twenty years in Teheran. He had founded one of the world’s biggest Persian textile trading companies and carpet manufacturers. His luggage included a treasure of Persian clothes and fabrics.. The collection was carefully looked after by his family across generations. Now, more than a hundred years later, the precious pieces are the focus of a special exhibition.