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| Start / | Knowledge / | Safety Measures / |
| Burelages | Combinations | Design Prints | Postal Stationery Form Prints | Stamp Impressions |
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Knowledge / Safety Measures / Others / Design Prints |
Design Print Safety Measure: safety measures made as design print |
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Safety Measure Design Print: design print in a intricate graphic print to prevent forgeries |
Sheet Position Mark: letters or numbers in a design print indicate position of this postage stamp in the sheet to prevent forgeries |
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Sheet Position Mark Change: the same postage stamps issued chronologic with a different number of the same sheet position mark |
Design Print With Secret Mark: small mark at a inconspicuous position of a design print to prevent forgeries |
Design Print Micro Inscript: design print made of very small letters (e. g. USPS) and not of dot screen to prevent forgeries |
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