Watermark (Q456313)

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Revision as of 22:32, 2 November 2022 by Charles Faulhaber (talk | contribs) (‎Created claim: Subclass of (P3): Sign (Q394164))
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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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