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<p>[QUOTE=&quot;2manybooks, post: 9725631, member: 8267&quot;]The closeup reveals a halftone screen pattern, which is a photographic method of reproduction. Such methods became practical in the late 19th century, with variations of the process continuing through today.</p><p><a href="https://en.wikipedia.org/wiki/Halftone#:~:text=William%20Fox%20Talbot%20is%20credited,proposed%20during%20the%20following%20decades" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Halftone#:~:text=William%20Fox%20Talbot%20is%20credited,proposed%20during%20the%20following%20decades" rel="nofollow">https://en.wikipedia.org/wiki/Halftone#:~:text=William Fox Talbot is credited,proposed during the following decades</a>.</p><p><br /></p><p>The page of medals/seals(?) looks like it may be an original engraving taken from a book.[/QUOTE]</p><p><br /></p>

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