<div>Sorry for the lateness of this reply, just now catching up on email lists.</div>
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<div>These are some links that have good images of extant period glass.</div>
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<div><a href="http://www.cmog.org/collection/main.php?module=objects">http://www.cmog.org/collection/main.php?module=objects</a></div>
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<div><a href="http://www.rijksmuseum.nl/aria/aria_assets/BK-NM-8186?lang=en&context_space=aria_encyclopedia&context_id=00046833">http://www.rijksmuseum.nl/aria/aria_assets/BK-NM-8186?lang=en&context_space=aria_encyclopedia&context_id=00046833</a></div>

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<div>Hope this helps,</div>
<div>Druinne</div>