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<p>[QUOTE="Terence Cheesman, post: 8422909, member: 86498"]In answer to [USER=112443]@Basileus Antialcidas[/USER] I looked at quite a number of Tetradrachms of Antiochos III offered for sale on the CNG web site and I can make the following observations based on looking at some 80 coins</p><p> 1. One has to take into consideration that Antiochos III reigned for something like 35 years and employed numerous mints some long serving but some very temporary to service his needs. </p><p>2. My methodology is actually rather crude. I only looked at the weights I di not factor anything else into my equations. Things like wear or corrosion I only noted if they were severe. Some of my numbers though a very small percentage may actually be duplicated. Okay so what did it find? Pleas note all numbers are in grams</p><p> A. I only saw two that were at 17.2 or higher</p><p> B. The vast majority appear to weigh somewhere between 17.10 and 16.85. </p><p> C. There were a few in the 16.65 to 16.55 range. Even fewer at 16.54 to 16.40</p><p> D. I did find 4 that were light weight. They were 16.39 16.32 (heavy corrosion) 16.19 16.40 (corrosion) and a real flyer at 15.66</p><p>Thus all I can say is this. Your coin is certainly at the low end of the spectrum but given its issues not outside the realm of probability. As for authenticity I see nothing that I find concerning with your coin however I really could not say that a coin is authentic based on a picture. Over all an interesting coin. </p><p>Tetradrachm of Antiochos III Antioch 223-206 BC Obv Head right diademed Rv Apollo seated left on Omphalos 16.96 grms 27 mm Photo by W. Hansen[ATTACH=full]1493820[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Terence Cheesman, post: 8422909, member: 86498"]In answer to [USER=112443]@Basileus Antialcidas[/USER] I looked at quite a number of Tetradrachms of Antiochos III offered for sale on the CNG web site and I can make the following observations based on looking at some 80 coins 1. One has to take into consideration that Antiochos III reigned for something like 35 years and employed numerous mints some long serving but some very temporary to service his needs. 2. My methodology is actually rather crude. I only looked at the weights I di not factor anything else into my equations. Things like wear or corrosion I only noted if they were severe. Some of my numbers though a very small percentage may actually be duplicated. Okay so what did it find? Pleas note all numbers are in grams A. I only saw two that were at 17.2 or higher B. The vast majority appear to weigh somewhere between 17.10 and 16.85. C. There were a few in the 16.65 to 16.55 range. Even fewer at 16.54 to 16.40 D. I did find 4 that were light weight. They were 16.39 16.32 (heavy corrosion) 16.19 16.40 (corrosion) and a real flyer at 15.66 Thus all I can say is this. Your coin is certainly at the low end of the spectrum but given its issues not outside the realm of probability. As for authenticity I see nothing that I find concerning with your coin however I really could not say that a coin is authentic based on a picture. Over all an interesting coin. Tetradrachm of Antiochos III Antioch 223-206 BC Obv Head right diademed Rv Apollo seated left on Omphalos 16.96 grms 27 mm Photo by W. Hansen[ATTACH=full]1493820[/ATTACH][/QUOTE]
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