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<p>[QUOTE=&quot;Pat P, post: 87541, member: 201&quot;]It&#039;s hard to tell online, especially without a clear macro-level closeup.</p><p><br /></p><p>If you&#039;re seeing dots, most likely the prints are either chromolithographs from the late 1800s or early 1900s, or offset prints from the late 1800s through the present.</p><p><br /></p><p>Chromolithograph dots are irregular, photo offset dots are regular.[/QUOTE]</p><p><br /></p>

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