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<p>[QUOTE="Marsyas Mike, post: 3006634, member: 85693"]By "silver" in this context I mean silver-looking - like Alegandron's attractive antelope above. The definition of "billon" always kind of confused me - anything 40% or less? That makes everything from c. Septimius Severus onward "billon" which seems kind of broad to me (is 2% silver still billon?). Wikipedia was vague on this matter. </p><p><br /></p><p>In the case of Philip the Arab's antoninianii, I was interested in the differences in appearance and weight - and I have no theories as to why there were such variations (for weight, Doug's muffin batter analogy seems plausible to me). Some of the scholarly sources try to hard to nail down debasement figures that I think they miss the obvious point: that variation <i>within the same coin type</i> are so huge that it is really hard to nail down just when these debasements happened (and where, too). </p><p><br /></p><p>Anyway, here are my three Philip ADVENTVS antoninianii. The weights, from left to right are: 3.21 grams; 4.51 grams; 3.70 grams. The one on the left is the one I posted above, but in brighter light - it is very dark and looks like something all-bronze put out by Aurelian. The other two look a lot more "silvery". The middle one has a thicker flan (thus the significant weight difference). Styles all look "official" to me. Wear is roughly the same. </p><p><br /></p><p>[ATTACH=full]745071[/ATTACH]</p><p> [ATTACH=full]745072[/ATTACH]</p><p><br /></p><p> 3.21 grams 4.51 grams 3.70 grams[/QUOTE]</p><p><br /></p>
[QUOTE="Marsyas Mike, post: 3006634, member: 85693"]By "silver" in this context I mean silver-looking - like Alegandron's attractive antelope above. The definition of "billon" always kind of confused me - anything 40% or less? That makes everything from c. Septimius Severus onward "billon" which seems kind of broad to me (is 2% silver still billon?). Wikipedia was vague on this matter. In the case of Philip the Arab's antoninianii, I was interested in the differences in appearance and weight - and I have no theories as to why there were such variations (for weight, Doug's muffin batter analogy seems plausible to me). Some of the scholarly sources try to hard to nail down debasement figures that I think they miss the obvious point: that variation [I]within the same coin type[/I] are so huge that it is really hard to nail down just when these debasements happened (and where, too). Anyway, here are my three Philip ADVENTVS antoninianii. The weights, from left to right are: 3.21 grams; 4.51 grams; 3.70 grams. The one on the left is the one I posted above, but in brighter light - it is very dark and looks like something all-bronze put out by Aurelian. The other two look a lot more "silvery". The middle one has a thicker flan (thus the significant weight difference). Styles all look "official" to me. Wear is roughly the same. [ATTACH=full]745071[/ATTACH] [ATTACH=full]745072[/ATTACH] 3.21 grams 4.51 grams 3.70 grams[/QUOTE]
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