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| Accidentals | Changes | Designs | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality | Safety Measures |
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Knowledge / Prints / Postage Stamp Burelages / Safety Measures |
Postage Stamp Burelage Safety Measure: safety measures that was carried out as a postage stamp burelage |
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Safety Measure Postage Stamp Bure-lage: postage stamp burelage in an elabo-rate graphic design to prevent forgeries |
Lead Carbonate Postage Stamp Bure-lage: invisible netlike postage stamp bure-lage made of carbonic acid lead carbonate to prevent forgerie. It can e.g. become visible due to wrong storage |
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Chalk Postage Stamp Burelage: quadrilled postage stamp burelage made of chalk or kaolin under a postage stamp design print which should partially destroy the design print when it is removed to prevent forgeries |
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