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B.D. Treatment leaves coin worse off.
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<p>[QUOTE="Topcat7, post: 3920778, member: 73372"]I had this Sestertius of Commodus which I noticed was showing signs of B.D. (A couple of specks on the 'reverse'.)</p><p>[ATTACH=full]1033560[/ATTACH]</p><p><br /></p><p>After 'scratching at it with a toothpick, I soaked it in a solution of 5gm of (Mixture - 5x parts Bicarb of soda, and 8x parts Sodium Carbonate), with 95Ml of de-mineralized water, for 5x days, brushed it with a toothbrush, and repeated the process 6x times.</p><p>This (may) have treated the B.D. but it has brought out the 'patina' (verdigris?) to the point that it detracts from the appearance of the coin.</p><p>[ATTACH=full]1033563[/ATTACH]</p><p><br /></p><p>I don't want ti hit the coin with "Verdi-Care" or 'Renwax' if I should be applying a different process first.</p><p>Does anyone have a remedy for this that they can offer me, please?</p><p>(Note: The colors in the photographs are true to life.)[/QUOTE]</p><p><br /></p>
[QUOTE="Topcat7, post: 3920778, member: 73372"]I had this Sestertius of Commodus which I noticed was showing signs of B.D. (A couple of specks on the 'reverse'.) [ATTACH=full]1033560[/ATTACH] After 'scratching at it with a toothpick, I soaked it in a solution of 5gm of (Mixture - 5x parts Bicarb of soda, and 8x parts Sodium Carbonate), with 95Ml of de-mineralized water, for 5x days, brushed it with a toothbrush, and repeated the process 6x times. This (may) have treated the B.D. but it has brought out the 'patina' (verdigris?) to the point that it detracts from the appearance of the coin. [ATTACH=full]1033563[/ATTACH] I don't want ti hit the coin with "Verdi-Care" or 'Renwax' if I should be applying a different process first. Does anyone have a remedy for this that they can offer me, please? (Note: The colors in the photographs are true to life.)[/QUOTE]
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B.D. Treatment leaves coin worse off.
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