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A Very "Silvery" Alexandrian Tetradrachm of Claudius II Gothicus
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<p>[QUOTE="Curtis, post: 24609047, member: 26430"]I just received a fun selection of Claudius II Gothicus Tetradrachms from Egypt, Alexandria, struck in 269/270 CE (Year 2).</p><p><br /></p><p>One has an exceptionally "silvery" appearance. You hardly ever see Alexandrian Tetradrachms this late that look like anything other than copper/bronze, though they're usually described as "potin." </p><p><br /></p><p>I'm not sure if it's actually silver at the surface, or maybe tin or zinc. But this one has a "lucky" edge chip which appears to reveal a darker, ordinary copper core. I should probably try to get a better edge photo:</p><p><br /></p><p>[ATTACH=full]1563917[/ATTACH]</p><p><br /></p><p><br /></p><p><i>Expandable Thumbnails for "normal" ones (all from the "AK Collection" & illustrated in W. Kellner's [2009] <i>Alexandria</i>.)</i></p><p>[ATTACH]1563920[/ATTACH] [ATTACH]1563921[/ATTACH] [ATTACH]1563922[/ATTACH]</p><p><br /></p><p><i>The "silvery" one, as illustrated in Kellner:</i></p><p><br /></p><p>[ATTACH=full]1563918[/ATTACH] </p><p><br /></p><p>Anyone seen one like this before? </p><p><br /></p><p>Or know any references on the surface enrichment, silver content, or flan production relevant to this period (mid/late 3rd century Alexandrian)? I think I've seen some earlier Alexandrian Tetradrachms cut in half for research (maybe in Butcher & Ponting's research), revealing a distinct layer of silver over a copper core, but I'm not sure where...[/QUOTE]</p><p><br /></p>
[QUOTE="Curtis, post: 24609047, member: 26430"]I just received a fun selection of Claudius II Gothicus Tetradrachms from Egypt, Alexandria, struck in 269/270 CE (Year 2). One has an exceptionally "silvery" appearance. You hardly ever see Alexandrian Tetradrachms this late that look like anything other than copper/bronze, though they're usually described as "potin." I'm not sure if it's actually silver at the surface, or maybe tin or zinc. But this one has a "lucky" edge chip which appears to reveal a darker, ordinary copper core. I should probably try to get a better edge photo: [ATTACH=full]1563917[/ATTACH] [I]Expandable Thumbnails for "normal" ones (all from the "AK Collection" & illustrated in W. Kellner's [2009] [I]Alexandria[/I].)[/I] [ATTACH]1563920[/ATTACH] [ATTACH]1563921[/ATTACH] [ATTACH]1563922[/ATTACH] [I]The "silvery" one, as illustrated in Kellner:[/I] [ATTACH=full]1563918[/ATTACH] Anyone seen one like this before? Or know any references on the surface enrichment, silver content, or flan production relevant to this period (mid/late 3rd century Alexandrian)? I think I've seen some earlier Alexandrian Tetradrachms cut in half for research (maybe in Butcher & Ponting's research), revealing a distinct layer of silver over a copper core, but I'm not sure where...[/QUOTE]
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