One of the many Banks that Saunière corresponded with was the Bank Fritz Dörge, 4 Kossuth Lajos Utca in Budapest. It has led to much speculation about his dealings with the Habsburgs, that had there base in Hungary. It is claimed by some that Saunière travelled to Hungary during some of the many documented, times the priest was away from his parish.
Italian researcher Mariano Tomatis went to Budapest, and took these pictures of what used to be the Bank Fritz Dörge.
photos copyright Mariano Tomatis, reproduced here with kind permisson