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<p>[QUOTE=&quot;Cherryhill, post: 168822, member: 70&quot;]Let me try. Blown glass is hollow ware worked on the end of a blow pipe. A tumbler can be broken from the blow pipe and finished cold, the top cut and polished without being attached at the foot. It may not have a pontil mark or scar. </p><p><br /></p><p>A&nbsp; pitcher usually is blown, then transferred to a punty rod, or Pontile, so that the top opening can be formed, lip pulled down, and the handle applied. Once it it formed it it cracked off (broken) from the punty rod, leaving a scar which may be a lump of glass. </p><p><br /></p><p>Some glass workers prefer to use a spherical grinding stone to grind away the excess glass from the scar, leaving a ground and sometimes polished circular concave mark. Others fire polish the scar so it is no longer sharp, others, leave it sharp. </p><p><br /></p><p>The presence of a pontil mark is evidence of hand finishing, the absence of one may be evidence of the worker&#039;s skill.&nbsp; Fenton Art Glass perfected a method of holding glass that did not leave a scar, yet they made much hand manipulated glass. </p><p><br /></p><p>As was said above, pressed glass can be finished on a punty rod, leaving a pontil mark, too.[/QUOTE]</p><p><br /></p>

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