| 1. | The Tangier International Zone received its own overprints beginning in 1927.
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| 2. | Some of the issues in 1993 were overprints on 1992 banknotes.
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| 3. | Some overprints alter or confirm the face value of a stamp.
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| 4. | Similar overprints were made for special delivery and postage due stamps.
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| 5. | The use of specimen overprints is not restricted to postage stamps.
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| 6. | This image is part of a set of Hawaii overprint notes.
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| 7. | It consists of an overprint on its regular issue notes.
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| 8. | District overprints continued through 1883 after which they were no longer required.
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| 9. | There were also unauthorized overprints using Trucial State in its own right.
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| 10. | In 1915, the British authorities used the yacht stamps with overprints.
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