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On the sign:
W PALAIS PALFFY erbaut vermutlich um 1575. Renaiſſancefassade nach Kriegsbeſchädigung wiederhergeſtellt.
Sign number 61a from the "Vienna - the city introduces itself" series of signs, an initiative established in 1956 as part of the Vienna Festival, which shows significant places in the city. The serial number is displayed at the bottom of the sign. Above the sign are 4 flags of Austria, which is a hallmark of the project, and the possibility of recognizing it from a distance Click for a larger image
The sign is in the Palffy Palace, which serves as a ballroom and also houses the "Fantastic Museum", a museum with works from the field of fantasy art. The building that has existed since the 16th century has hosted musical performances, Mozart has performed concerts here as well as the opera Marriage of Figaro.