What is the test stamp?

The test stamp is a postage stamp, which is intended only for internal use, without a nominal value. Test stamps cannot be connected to the post office as postage. They are used to develop new production methods, stamps and postal staff training. Like other stamps, test stamps are also subject to collectors' interest and are a popular item among some collectors, as they can be difficult to obtain and can also be used to monitor the history of new stamps and methods of production. They are also used for experimenting with adhesives and other aspects of grades production. Machines that attach or give signs are also classically tested using test stamps because the post office does not want to waste real stamps in testing, but make sure that these machines will work properly. This is done to improve colors before they are applied to real grades. While most test stamps have relatively simple patterns, test evidence MohOU have sophisticated and decorated designs, because the test stamp is used to develop new designs and colors for real stamps.

Typical test stamp will be somehow marked to show that it is a test stamp and that it is not valid postage. These signs can also be made specifically in colors that the mail does not use so that they can be easily identified as invalid postage if attached to the post office. This may happen in an accident, such as if the stamp is stamped or intentionally left if someone recklessly avoids the payment of postage and has obtained several test stamps.

6 is designed to look, act and feel like a conventional stamp to stand for real postage. Using test stamps of various configurations can lead to problems with calibrating postal equipment because changes in paper, adhesive or used ISome can change the way the stamp behaves on a press press or on a computer with a stamp.