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A watermark is an identifying image or pattern in paper that appears as varying shades of light and dark when viewed by either transmitted light or reflected light. These patterns are created from variations in the thickness or density of the paper. Watermarks have historically been used on postage stamps, currency, and other official documents to…
History, Watermarks and historical scholarship & Processes
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watermarks paper used stamp stamps digital dandy roll process also may identifying cylinder mould thickness documents postage see made lines
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Watermark | is a | identifying image or pattern in paper that appears as varying shades of light and dark when viewed by either transmitted light or reflected light | 0.90 | text |
| Watermark | is a | key feature of a stamp | 0.90 | text |
| Watermark | is a | small crown or other national symbol | 0.90 | text |
| the Morley-Bright watermark detector | instance of | A few mechanical devices are also used by collectors to detect watermarks on stamps | 0.80 | text |
| the more expensive Safe Signoscope | instance of | A few mechanical devices are also used by collectors to detect watermarks on stamps | 0.80 | text |
| Watermark | related to Cylinder mould process | Another | 0.60 | section |
| Watermark | related to Cylinder mould process | It | 0.60 | section |
| Watermark | related to Cylinder mould process | Instead | 0.60 | section |
| Watermark | related to Cylinder mould process | Once | 0.60 | section |
| Watermark | related to Cylinder mould process | The | 0.60 | section |
| Watermark | related to Cylinder mould process | Dandy Roll | 0.60 | section |
| Watermark | related to Cylinder mould process | Cylinder Mould Watermark Paper | 0.60 | section |
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