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<p>[QUOTE="dougsmit, post: 2429522, member: 19463"]There were two ways of measuring weights of coin flans. Rarely, the mint would adjust a blank to be exactly what it was supposed to be. More often, the mint made a given number of blanks from a given weight of metal not worrying too much that some were a bit over and some were a bit under. Yesterday I made some cornbread muffins. My intent was to make eight muffins all the same but in fact what I did was take eight muffin papers and pour some batter in each one until I ran out of batter. With experience I can do this with some accuracy but it is no big deal since a half ounce one way or the other doesn't keep the things from tasting good. The mint was proabably a bit more likely to assign experienced metal pourers to working with gold and apprentices to the bronze line and, unlike muffins, it is hard to take a spoon and adjust the heavy ones down or the light ones up. Catalogs tend to give averages or theoretical numbers. Even today the US mint lists the five cent coin as 5.000g. Weigh ten brand new nickels and tell me how many weigh even 5.0 rather than 4.9 or 5.1. Today as in the time of Julia Mamaea there was a theory called "Good enough for government work."</p><p><br /></p><p>The fancy term for striking coins so many to the pound is <i>al marco</i>. Weighing each one is <i>al pezzo</i>. The article below will tell you way, way more than you wanted to know.</p><p><a href="https://www.academia.edu/1443037/Weight_adjustment_al_marco_in_Antiquity_and_the_Athenian_decadrachm" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.academia.edu/1443037/Weight_adjustment_al_marco_in_Antiquity_and_the_Athenian_decadrachm" rel="nofollow">https://www.academia.edu/1443037/Weight_adjustment_al_marco_in_Antiquity_and_the_Athenian_decadrachm</a>[/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 2429522, member: 19463"]There were two ways of measuring weights of coin flans. Rarely, the mint would adjust a blank to be exactly what it was supposed to be. More often, the mint made a given number of blanks from a given weight of metal not worrying too much that some were a bit over and some were a bit under. Yesterday I made some cornbread muffins. My intent was to make eight muffins all the same but in fact what I did was take eight muffin papers and pour some batter in each one until I ran out of batter. With experience I can do this with some accuracy but it is no big deal since a half ounce one way or the other doesn't keep the things from tasting good. The mint was proabably a bit more likely to assign experienced metal pourers to working with gold and apprentices to the bronze line and, unlike muffins, it is hard to take a spoon and adjust the heavy ones down or the light ones up. Catalogs tend to give averages or theoretical numbers. Even today the US mint lists the five cent coin as 5.000g. Weigh ten brand new nickels and tell me how many weigh even 5.0 rather than 4.9 or 5.1. Today as in the time of Julia Mamaea there was a theory called "Good enough for government work." The fancy term for striking coins so many to the pound is [I]al marco[/I]. Weighing each one is [I]al pezzo[/I]. The article below will tell you way, way more than you wanted to know. [url]https://www.academia.edu/1443037/Weight_adjustment_al_marco_in_Antiquity_and_the_Athenian_decadrachm[/url][/QUOTE]
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