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<p>[QUOTE="catadc, post: 3643226, member: 103515"]Two months later, here is the only coin worth mentioning of the remaining 7 forvm uncleaned presented in the first post in this thread:</p><p>Constantius II - obv: FL IVL CONSTANTIVS NOB C - rev: GLOR-IA EXERC-ITVS - Siscia mint</p><p><br /></p><p>Cleaning was interesting - seemed that the coin will clean nicely (pic 1). After I "finished" and dried the coin, I was like "wt.. is this?", because the patina and fine dirt fused to create a hard crust covering the entire coin. Although under magnification seemed fine, with no dirt left, the coin looked very bad in hand. So I decided to break the crust (pic 2, work in progress). One week later, over 90% of the crust is gone and I decided to stop. The photos, as usual, are bad, but this time the coin looks much better in hand (pic 3). </p><p>[ATTACH=full]978181[/ATTACH] [ATTACH=full]978182[/ATTACH] [ATTACH=full]978183[/ATTACH] </p><p><br /></p><p>The reverse cleaned easier, and it also shows more relief and better details in hand that the photo.</p><p>[ATTACH=full]978184[/ATTACH] [ATTACH=full]978185[/ATTACH] </p><p><br /></p><p>And now the frustration - the reverse is off-center to left, the first letter of the mintmark is off the flan and cannot really say what officina it is. Although I would like to have one of the rarer ones, I believe is the more common Gamma version (R2, not that will make a big difference, considering it is not going anywhere).</p><p><br /></p><p>Going forward, I want to check if and how I can treat Bronze Disease. There are some useful discussions on this forum covering the matter. Five dirty candidates in pretty bad shape volunteered for the experiment, to be cleaned and cured. The one below is the most interesting of the lot: Carinus - Felicit Publica - TXXI (after some DW soaking and cleaning).</p><p>[ATTACH=full]978189[/ATTACH] [ATTACH=full]978190[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="catadc, post: 3643226, member: 103515"]Two months later, here is the only coin worth mentioning of the remaining 7 forvm uncleaned presented in the first post in this thread: Constantius II - obv: FL IVL CONSTANTIVS NOB C - rev: GLOR-IA EXERC-ITVS - Siscia mint Cleaning was interesting - seemed that the coin will clean nicely (pic 1). After I "finished" and dried the coin, I was like "wt.. is this?", because the patina and fine dirt fused to create a hard crust covering the entire coin. Although under magnification seemed fine, with no dirt left, the coin looked very bad in hand. So I decided to break the crust (pic 2, work in progress). One week later, over 90% of the crust is gone and I decided to stop. The photos, as usual, are bad, but this time the coin looks much better in hand (pic 3). [ATTACH=full]978181[/ATTACH] [ATTACH=full]978182[/ATTACH] [ATTACH=full]978183[/ATTACH] The reverse cleaned easier, and it also shows more relief and better details in hand that the photo. [ATTACH=full]978184[/ATTACH] [ATTACH=full]978185[/ATTACH] And now the frustration - the reverse is off-center to left, the first letter of the mintmark is off the flan and cannot really say what officina it is. Although I would like to have one of the rarer ones, I believe is the more common Gamma version (R2, not that will make a big difference, considering it is not going anywhere). Going forward, I want to check if and how I can treat Bronze Disease. There are some useful discussions on this forum covering the matter. Five dirty candidates in pretty bad shape volunteered for the experiment, to be cleaned and cured. The one below is the most interesting of the lot: Carinus - Felicit Publica - TXXI (after some DW soaking and cleaning). [ATTACH=full]978189[/ATTACH] [ATTACH=full]978190[/ATTACH][/QUOTE]
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