Prague's House Signs
Before Empress Maria Theresa introduced identifying numbers to Prague in 1770, houses were known and located by allegorical symbols. Many of them originally had alchemical significance. The Two Suns The Golden Key Castle goldsmiths lived in this house in the 17th century They paid fees to the city and thus were entitled to advertise their wares The Red Lamb The Three Fiddles A family of violin makers lived in this house in the early 18th century The Golden Wheel This alchemic symbols represents a stage in the magnus opus , the process by which lead purportedly turned into gold The White Lion