Watermark (Q456313)

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Revision as of 12:21, 26 February 2023 by Bruno Belhoste (talk | contribs) (‎Created claim: Subclass of (P3): Artefact (Q195276))
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faint image or device in paper that appears as various shades of lightness/darkness when viewed by transmitted light
Language Label Description Also known as
English
Watermark
faint image or device in paper that appears as various shades of lightness/darkness when viewed by transmitted light

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