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<p>[QUOTE="Andres2, post: 2839849, member: 79017"]The story is that the Antoniniani were debased between 240 and 270 AD from 40% fineness to 5% silver fineness.</p><p>The mints used a special heating and cooling down method to put the silver mostly on the surface and the copper mostly in the core.</p><p><br /></p><p>Probably didn't work out very well in all the various mints in the Roman empire.</p><p><br /></p><p>Looks near 100% silver , but actually no more then 40% fineness:</p><p>[ATTACH=full]671522[/ATTACH]</p><p><br /></p><p>This Volusian looks OK too, silver fineness 30%</p><p><br /></p><p>[ATTACH=full]671527[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Andres2, post: 2839849, member: 79017"]The story is that the Antoniniani were debased between 240 and 270 AD from 40% fineness to 5% silver fineness. The mints used a special heating and cooling down method to put the silver mostly on the surface and the copper mostly in the core. Probably didn't work out very well in all the various mints in the Roman empire. Looks near 100% silver , but actually no more then 40% fineness: [ATTACH=full]671522[/ATTACH] This Volusian looks OK too, silver fineness 30% [ATTACH=full]671527[/ATTACH][/QUOTE]
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