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<p>[QUOTE=&quot;Pellinore, post: 2712748, member: 74834&quot;]When I restarted collecting, the first thing was to buy a caliper. It was at my local shop, the owner rushed to sell me his very last caliper, that had been gathering dust for years, and the box was discolored by the light. It cost $27. </p><p><br /></p><p>[ATTACH=full]612994[/ATTACH] </p><p><br /></p><p>But its sharp edges and spiky points scare me, in practice I&#039;m almost always using my old brass Pica Pole, that I acquired in the seventies when setting type by hand. It measures centimeters as well as <a href="https://en.wikipedia.org/wiki/Pica_(typography)" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Pica_(typography)" rel="nofollow">picas</a> (a typographic unit of measure). </p><p>And just as some of you say, in ancient coins measuring exact diameters is not so important. I&#039;m using the measure through the 12h-6h line of the coin, from the crown of the head down. If it is very oval I note in my book for instance, 15 x 18 mm.&nbsp; </p><p><br /></p><p>[ATTACH=full]612995[/ATTACH] </p><p><br /></p><p>Weighing my coins is much more important. I&#039;m always using the same electronic scales and noting the weight to 1/100 gr. When your coins fall on the ground, or you forget which is which, weighing is a sure means to re-identify them.[/QUOTE]</p><p><br /></p>

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