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Along with rare and valuable stamp items from the 19th century, the Alexander collection also keeps modern items that provide an interesting look at postal activity in the middle of the 20th century. A postcard sent from the plane during a transatlantic flight is an example of a special postal service provided by the airlines to passengers as part of the flight experience.
On July 16, 1923, the post office of the Italian colony of Somalia issued its first special delivery stamps.
To mark the 100th anniversary of the Jaffa-Jerusalem railway line, Israel Post issued four stamps and a commemorative issue in 1992. The stamp designer, Ed Van Oyen, chose to design the items in an innovative style that allowed him to incorporate a great deal of information, but encountered negative and angry reactions from stamp collectors.
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A serial number imprinted on the edge of the sheet during the printing process, in order to control the number of sheets printed and to provide unique identification to the individual sheet. In countries such as Spain or Andorra, the sheet number was sometimes printed on the back of the stamps in the sheet.
An envelope sent on the island of Trinidad documents an attempt by the local charity to collect donations for the Red Cross during World War I. The course of events turned this activity into a philatelic curiosity.
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