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The first stamp to be introduced for postmarking purposes was the hand-struck stamp introduced in 1660 by Colonel Henry Bishop, Postmaster General, to 'put upon every letter showing the day of the month that every letter comes to the office, so that no Letter Carrier may dare to detain a letter from post to post, which before was usual'. These so-called Bishop marks were the first British postmarks and consisted of a simple circle divided horizontally with the indication of the month in one half and the day of the month in the other.

In 1840 hand-struck cancellation stamps were introduced, to deface the newly introduced adhesive postage labels (stamps) and prevent their fraudulent re-use.

The earliest stamps were made of wood, and later brass: and were probably manufactured locally. By 1825, however, they were being made of steel, and issued centrally. This change is reflected in the fact that the earliest proof book in the collection commences in 1825 (see POST 55/10). With the introduction of the Parcel Post in 1883, where steel stamps would not have been effective, pliable stamps made of cork were introduced. By 1885, however, stamps made of rubber had come into use for the Parcel Post and other uses (see POST 55/115).