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<p>[QUOTE="dougsmit, post: 964462, member: 19463"]<img src="http://dougsmith.ancients.info/denomae14.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p> </p><p>There is a US cent under the AE3 example for scale.</p><p> </p><p>Early numismatists not knowing what to call many coins provided a scale of coin sizes used to describe late Roman bronze (including silvered bronze) coins when the correct denomination name is not certain. This can be used for any coin after the reform of Diocletian (follis, centenionalis or whatever). The system uses the abbreviation for bronze followed by a number 1 through 4: AE1 = over 25mm (Valentinian I); AE2 = 21-25mm (Honorius); AE3 = 17-21mm (Arcadius); AE4 = under 17mm (Theodosius I). Of course, there are still coin issues that straddle the lines with various specimens being, for example, slightly over or under 17mm. In this case you see a split listing 'AE3/4'. Mint workers placed little importance in exact diameter or roundness; if anything was important it was weight. All four sizes were rarely produced together and the system fails to separate the two sizes of AE2 'centenionales'. However imperfect, this system will have a place in describing late Roman coins until all denomination systems are understood. Care should be taken to separate these listings from the millimeter scale used for Greek coins where AE20 is a coin of 20mm diameter. There should be no confusion here since the smallest AE coins are over 4mm diameter.[/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 964462, member: 19463"][IMG]http://dougsmith.ancients.info/denomae14.jpg[/IMG] There is a US cent under the AE3 example for scale. Early numismatists not knowing what to call many coins provided a scale of coin sizes used to describe late Roman bronze (including silvered bronze) coins when the correct denomination name is not certain. This can be used for any coin after the reform of Diocletian (follis, centenionalis or whatever). The system uses the abbreviation for bronze followed by a number 1 through 4: AE1 = over 25mm (Valentinian I); AE2 = 21-25mm (Honorius); AE3 = 17-21mm (Arcadius); AE4 = under 17mm (Theodosius I). Of course, there are still coin issues that straddle the lines with various specimens being, for example, slightly over or under 17mm. In this case you see a split listing 'AE3/4'. Mint workers placed little importance in exact diameter or roundness; if anything was important it was weight. All four sizes were rarely produced together and the system fails to separate the two sizes of AE2 'centenionales'. However imperfect, this system will have a place in describing late Roman coins until all denomination systems are understood. Care should be taken to separate these listings from the millimeter scale used for Greek coins where AE20 is a coin of 20mm diameter. There should be no confusion here since the smallest AE coins are over 4mm diameter.[/QUOTE]
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