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<p>[QUOTE="BenSi, post: 7470073, member: 95174"]I love that coin, the Christ portrait is exceptionally beautiful. Cool Icon as well, I had not seen it. </p><p><br /></p><p><br /></p><p><br /></p><p>The Hyperpyron under Alexius rule was 20.5 carats fine , I looked up that 20 Carats was 83.33 pure. so not in the 90's . During the different reigns of the 12th century it fluctuated from 19 to 21 carats.</p><p><br /></p><p>The trikephala ( El. Aspron Trachy ) in the 12th century also fluctuated with gold content. Alexius I at 7 carats to Isaac II 2.5 carats.</p><p> </p><p> Under Alexius III it dropped as low as 1.9, Here is my EL trachy of Alexius III , this one looks almost all silver.</p><p>[ATTACH=full]1293614[/ATTACH] </p><p><br /></p><p><br /></p><p><br /></p><p>I do not know about the pre reform coinage patterns of circulation. I suspect that it was empire wide. I do not think the circulation patterns were originally planned but some unknown circumstances made them that way.</p><p><br /></p><p>One other thing from previous questions in the thread, I believe the Metropolitan( Constantinople ) issues of tetartera were all silver washed.<u> I do not know of any catalog or Academic that has written that, I just believe it from my collecting history and seeing traces of silvering on examples I have handled.</u> So that is my opinion and not a commonly accepted fact.[/QUOTE]</p><p><br /></p>
[QUOTE="BenSi, post: 7470073, member: 95174"]I love that coin, the Christ portrait is exceptionally beautiful. Cool Icon as well, I had not seen it. The Hyperpyron under Alexius rule was 20.5 carats fine , I looked up that 20 Carats was 83.33 pure. so not in the 90's . During the different reigns of the 12th century it fluctuated from 19 to 21 carats. The trikephala ( El. Aspron Trachy ) in the 12th century also fluctuated with gold content. Alexius I at 7 carats to Isaac II 2.5 carats. Under Alexius III it dropped as low as 1.9, Here is my EL trachy of Alexius III , this one looks almost all silver. [ATTACH=full]1293614[/ATTACH] I do not know about the pre reform coinage patterns of circulation. I suspect that it was empire wide. I do not think the circulation patterns were originally planned but some unknown circumstances made them that way. One other thing from previous questions in the thread, I believe the Metropolitan( Constantinople ) issues of tetartera were all silver washed.[U] I do not know of any catalog or Academic that has written that, I just believe it from my collecting history and seeing traces of silvering on examples I have handled.[/U] So that is my opinion and not a commonly accepted fact.[/QUOTE]
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