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Honest Question: What causes these deep flow lines? (UNC 1976 P Ike T2)
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<p>[QUOTE="Neal, post: 25870992, member: 43872"]No, the flow obviously was not upwards from a thinner planchet. I'm just saying it could not have flowed outward first then upward, because without collars there would be little force to push it up into the central features. I'm certainly no expert, only repeating what I have read (and can't remember exactly where) that they used, at least early on, round or rounded planchets. But I do have a few lower quality ancient coins, and most of them, especially the earlier ones, seem to show this. Here is one from Lydia, around 550 BC. The reverse is a punch, not a separate die. It would have been the "hammer" and the obverse the "anvil." The details seem to fade toward the edges while the metal "puffs out and up" on the edges of the reverse.</p><p>[ATTACH=full]1648730[/ATTACH] [ATTACH=full]1648731[/ATTACH] </p><p><br /></p><p>Likewise, with this early Miletos, with no collar it is hard to see how flow would have been from the edge to the high relief lion.</p><p>[ATTACH=full]1648732[/ATTACH] [ATTACH=full]1648733[/ATTACH] </p><p><br /></p><p>It is also noticeable on this Alexander III (I can't id it, but I presume posthumous), especially on the reverse. The high relief of the obverse does not lower the relief on the reverse central devices, but it does toward the edges. [ATTACH=full]1648736[/ATTACH] [ATTACH=full]1648737[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Neal, post: 25870992, member: 43872"]No, the flow obviously was not upwards from a thinner planchet. I'm just saying it could not have flowed outward first then upward, because without collars there would be little force to push it up into the central features. I'm certainly no expert, only repeating what I have read (and can't remember exactly where) that they used, at least early on, round or rounded planchets. But I do have a few lower quality ancient coins, and most of them, especially the earlier ones, seem to show this. Here is one from Lydia, around 550 BC. The reverse is a punch, not a separate die. It would have been the "hammer" and the obverse the "anvil." The details seem to fade toward the edges while the metal "puffs out and up" on the edges of the reverse. [ATTACH=full]1648730[/ATTACH] [ATTACH=full]1648731[/ATTACH] Likewise, with this early Miletos, with no collar it is hard to see how flow would have been from the edge to the high relief lion. [ATTACH=full]1648732[/ATTACH] [ATTACH=full]1648733[/ATTACH] It is also noticeable on this Alexander III (I can't id it, but I presume posthumous), especially on the reverse. The high relief of the obverse does not lower the relief on the reverse central devices, but it does toward the edges. [ATTACH=full]1648736[/ATTACH] [ATTACH=full]1648737[/ATTACH][/QUOTE]
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Honest Question: What causes these deep flow lines? (UNC 1976 P Ike T2)
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