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<p>[QUOTE="dougsmit, post: 2882634, member: 19463"]Sort of, maybe....</p><p>Consulships started on January 1 but many emperors had been consul before they became emperor so we see COS in that first fraction of a year. Since not every emperor took a consulship regularly, some do more for us than others. For example Septimius Severus was consul before he was emperor (190), in 194 and in 202. Therefore COS coins are 193 only but COS II can be 194-201 and COS III from 202 to the end. Not everyone served a full year as consul so there could be some years with more than two names. The other odd one is when a ruler announced in advance that he would be consul the next year so we see his dates include COS DESIG followed by the number of the consulship that he would assume in January.</p><p><br /></p><p>Not all emperors used the same TRP system. As I recall, there was an emperor who counted TRP from his ascension date for a while but changed later to make the dates align with the 10 December date that was standard for most. Finding that one may take some looking. I believe the answer is to research each emperor separately and see how he did TRP.</p><p><br /></p><p>The single volume Sear Roman books included handy charts for following these titles.[/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 2882634, member: 19463"]Sort of, maybe.... Consulships started on January 1 but many emperors had been consul before they became emperor so we see COS in that first fraction of a year. Since not every emperor took a consulship regularly, some do more for us than others. For example Septimius Severus was consul before he was emperor (190), in 194 and in 202. Therefore COS coins are 193 only but COS II can be 194-201 and COS III from 202 to the end. Not everyone served a full year as consul so there could be some years with more than two names. The other odd one is when a ruler announced in advance that he would be consul the next year so we see his dates include COS DESIG followed by the number of the consulship that he would assume in January. Not all emperors used the same TRP system. As I recall, there was an emperor who counted TRP from his ascension date for a while but changed later to make the dates align with the 10 December date that was standard for most. Finding that one may take some looking. I believe the answer is to research each emperor separately and see how he did TRP. The single volume Sear Roman books included handy charts for following these titles.[/QUOTE]
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