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Collecting of cancellations, in particular the 1850 issues of Austria and Lombardy-Venetia, has a long tradition. The first important collection of the kind was assembled by Hans Kropf. He published "The Cancellations of the stamps of Austria-Hungary and Lombardy-Venetia", a handbook with 959 different cancellation types, in 1899. His collection was purchased by King Fuad I of Egypt, and by Marc Fitch in 1954. The Jerger collection (see below) has made complements to this collection, with items from Baron Ferrari, Felix Brunner, Maurice Burrus, Arthur Caspary, Dale-Lichtenstein, the King Carol I of Romania, and others.