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On May 4, 1957, Egypt Post issued a new stamp to mark the Israeli withdrawal from the Gaza Strip at the end of the Sinai War. On the same day, an identical stamp was also issued for the Gaza Strip, which was administered as an occupied territory by Egypt. These stamps constitute another chapter, one of many, in the history of the Israeli-Arab conflict.

On April 29, 1966, the Muscat and Oman Post Office issued its first stamps.

Representing a development is difficult to accomplish within the space constraints of a postage stamp, and over the years stamp designers have attempted to address this point in a variety of creative ways. A fine example of a possible solution can be found in a stamp designed by Moshe Pereg in 1983.
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A change in the physical condition of the stamp, which reduces its monetary value in the eyes of collectors. An example of such a change could be a stain that disfigures the stamp, a crease in the paper on which it is printed, damage to the perforation around it, or tears in the body of the stamp.

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.