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billon tetradrachms. fake or not
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<p>[QUOTE="TIF, post: 2424269, member: 56859"]Yes, but you didn't show all of the coins. In your original post, the first picture shows the reverse of four individual coins, each with jugate busts of Nilus and Euthenia facing right, regnal year 2 (of Claudius II, I presume). Where are the obverses of the other three?</p><p><br /></p><p>I see no reason to doubt the authenticity of any of the five coins shown in your post #10 of this thread <strike>except for the fourth one, although I think it is probably authentic but with a somewhat different style of Isis.</strike> Edited: whoops, the fifth coin's reverse is Selene <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>The second and third coins appear to have active bronze disease. These Roman Egyptian potin tetradrachms are very susceptible to that and will disintegrate very quickly if untreated. I've had a few that were lost despite my best efforts at treatment. The fourth coin has some verdigris which could become bronze disease. As a matter of routine, I treat all of my Roman Egyptian tetradrachms with a distilled water soak, dry, and application of Verdi-Care.[/QUOTE]</p><p><br /></p>
[QUOTE="TIF, post: 2424269, member: 56859"]Yes, but you didn't show all of the coins. In your original post, the first picture shows the reverse of four individual coins, each with jugate busts of Nilus and Euthenia facing right, regnal year 2 (of Claudius II, I presume). Where are the obverses of the other three? I see no reason to doubt the authenticity of any of the five coins shown in your post #10 of this thread [S]except for the fourth one, although I think it is probably authentic but with a somewhat different style of Isis.[/S] Edited: whoops, the fifth coin's reverse is Selene :) The second and third coins appear to have active bronze disease. These Roman Egyptian potin tetradrachms are very susceptible to that and will disintegrate very quickly if untreated. I've had a few that were lost despite my best efforts at treatment. The fourth coin has some verdigris which could become bronze disease. As a matter of routine, I treat all of my Roman Egyptian tetradrachms with a distilled water soak, dry, and application of Verdi-Care.[/QUOTE]
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billon tetradrachms. fake or not
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