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[ancients] Casting sprue question
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<p>[QUOTE="dougsmit, post: 1821100, member: 19463"]I'd say the blank was broken from the chain/tree it was cast as a part of leaving an indented edge space rather like the other coins shown above. Then it was struck slightly unevenly causing the metal to spread out more to that side. If it is your job to separate flans, I'd guess you would tap each with a hammer or pry with pliers. Some would break cleanly; some would break off retaining a small sprue; some would break into the flan slightly like these. You could then take a file or nippers to correct the ones with extra metal but the ones with missing metal would be pronounced as "good enough for government work''. The most unusual situation is the leaving of the sprue as on the OP coin because it could have been corrected with a small nip . The ones missing metal would require remelting to correct and that would not be worth the effort. Some mints in some periods seemed to care a lot more about making round and even coins than did some others. Some collectors place a lot more importance on having smooth, round coins than others. </p><p><br /></p><p>If you get a chance to see photos of entire hoards, it is interesting to see the range of workmanship quality within the group. If your only exposures to what coins look like are CNG catalogs, you might get the idea that the quality level at the mint was more consistent than it was.[/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 1821100, member: 19463"]I'd say the blank was broken from the chain/tree it was cast as a part of leaving an indented edge space rather like the other coins shown above. Then it was struck slightly unevenly causing the metal to spread out more to that side. If it is your job to separate flans, I'd guess you would tap each with a hammer or pry with pliers. Some would break cleanly; some would break off retaining a small sprue; some would break into the flan slightly like these. You could then take a file or nippers to correct the ones with extra metal but the ones with missing metal would be pronounced as "good enough for government work''. The most unusual situation is the leaving of the sprue as on the OP coin because it could have been corrected with a small nip . The ones missing metal would require remelting to correct and that would not be worth the effort. Some mints in some periods seemed to care a lot more about making round and even coins than did some others. Some collectors place a lot more importance on having smooth, round coins than others. If you get a chance to see photos of entire hoards, it is interesting to see the range of workmanship quality within the group. If your only exposures to what coins look like are CNG catalogs, you might get the idea that the quality level at the mint was more consistent than it was.[/QUOTE]
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