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<p>[QUOTE=&quot;kardinalisimo, post: 168728, member: 118&quot;]I guess pontil scars can help with determining the period of production of some antique glass depending on the type of scar, roughness and sharpness, size etc. Or on more recent glass, IDing the maker. Like some never have pontil scars, other always do, third only on certain lines/models.[/QUOTE]</p><p><br /></p>

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