Since the 300th anniversary of Emperor Joseph I ’s founding in Vienna in 1707, Dorothy is now one of the largest auction houses in Europe and one of the oldest and largest auction houses in the world. There are more than 100 experts in the auction service team. Dorothy has international offices in Munich, Dusseldorf, Milan, Rome, London, Prague and Brussels, all offices regularly hold previews of major auction items. Dorothy also regularly holds special auctions in more than 40 departments, including auctions of design, porcelain, glass, photography, historical science instruments, royal and royal souvenirs, stamps, coins, books and signatures.