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<p>[QUOTE="Gallienus, post: 4191549, member: 42034"]<i>"It is nice to see a coin where the reverse die isn't very worn...."</i></p><p><br /></p><p>My Aes of Postumus. A decent but inexpensive example --with a worn Rv die. For some reason it was labeled as a "double sestersius". I recall it being around 20grams but will look it up with the auction firm (CNG, 2013, #??) weight. There was a huge wt variance with these. No silver plating involved here.</p><p><br /></p><p><img src="https://coinsandhistory.com/pix_shared/pix_cointalk/Rome_Postumus_dble-sest_CNG-94-1194_both.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>I really wish there was somewhere we could take our coins to have them submitted to a lab grade XRF analysis. These jewelry shops have these things but not being lab grade, I don't believe they will provide trace metals analysis. Thus rather than just saying billion, one would know at least the surface metals composition. A specific gravity test would probably not be helpful with the 1st coin as the oxides would throw the measurements off.[/QUOTE]</p><p><br /></p>
[QUOTE="Gallienus, post: 4191549, member: 42034"][I]"It is nice to see a coin where the reverse die isn't very worn...."[/I] My Aes of Postumus. A decent but inexpensive example --with a worn Rv die. For some reason it was labeled as a "double sestersius". I recall it being around 20grams but will look it up with the auction firm (CNG, 2013, #??) weight. There was a huge wt variance with these. No silver plating involved here. [IMG]https://coinsandhistory.com/pix_shared/pix_cointalk/Rome_Postumus_dble-sest_CNG-94-1194_both.jpg[/IMG] I really wish there was somewhere we could take our coins to have them submitted to a lab grade XRF analysis. These jewelry shops have these things but not being lab grade, I don't believe they will provide trace metals analysis. Thus rather than just saying billion, one would know at least the surface metals composition. A specific gravity test would probably not be helpful with the 1st coin as the oxides would throw the measurements off.[/QUOTE]
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