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<p>[QUOTE=&quot;Gallienus, post: 2082744, member: 42034&quot;]My Vecchi &amp; Thurlow does not give any diameters.&nbsp; However I found that I both measured &amp; weighed my specimen and have the following.</p><p>Roman Republic Aes Grave As, Janus Head /Galley Prow right, with obv &amp; rev mark of denomination, 225 - 217 BC (the most common type)</p><p><br /></p><p>listed as 242.3 g and 61 mm, however, I weighed it at 258 g and 63 mm at point of max. diameter.&nbsp; Some of the older As in the Aes Graves series exceed 400 gms.</p><p><br /></p><p>I&#039;d love to be able to get metallurgy and specific gravity but that will have to wait.&nbsp; Note that the accurate jewlers&#039; scales do not typically go over 50 or 100 gms so weighing these can be a challenge.&nbsp; My dentist&#039;s office refused to let me use their scale for example.[/QUOTE]</p><p><br /></p>

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