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<p>[QUOTE=&quot;kaparthy, post: 1802528, member: 57463&quot;]I hate to flog a dead goat, but I went Wildwinds and found 12 examples.</p><p>Cn. Plancius AR Denarius. 3.98 g. </p><p>(Seller erechtheion no metrics)</p><p>(Example 3 no seller; no metrics)</p><p>Cn. Plancius silver Denarius. 55 BC. 18.42mm, 3.59g. </p><p>Cn. Plancius. 55 BC. AR Denarius (3.95 gm). </p><p>Cn. Plancius. 55 BC. AR Denarius (3.98 gm).</p><p>Cn. Plancius. 55 BC. AR Denarius (3.27 gm). </p><p>Cn. Plancius, AR denarius, (3.92g) </p><p>Cn. Plancius&nbsp; 55 B.C. AR Denarius. 4.073 grams. </p><p>Cn. Plancius. 55 BC. AR Denarius (3.76 gm). </p><p>Cn. Plancius. 55 BC. AR Denarius (17 mm, 4.13 gm). </p><p>Cn. Plancius, AR denarius, (3.90g) </p><p><br /></p><p>A Roman scruple is about 1.3 metric grams.&nbsp; They had finer measurements.&nbsp; Remember that Archimedes called one of his books &quot;The Sand Reckoner.&quot; They used grains of sand as measures. The Romans also had an arbitrary &quot;granum&quot; of wheat. Romans are beyond my area but I read that in ancient Greek cities, when they struck coins, the law was worded to say that the master was give a weight of silver from which he was to strike so many coins.&nbsp; That defined the weight of each coin.&nbsp; You would have to make molds for the planchets. The volume of a cylinder is easy enough and even if the abstract math was hard, simple trial-and-error would have solved the problem centuries earlier.&nbsp; After that, you have the vagaries of hand production. </p><p><br /></p><p>Still and all, here we have a range of 4.13 to 3.27...&nbsp; I think that the best standard of judgement is the actual coin itself. Does it look real?[/QUOTE]</p><p><br /></p>

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