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Cleaning my first ancient coin: surfaces question
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<p>[QUOTE="hotwheelsearl, post: 7908110, member: 75143"]I feel like, there's really no way to make this coin worse than it is.</p><p><br /></p><p>Great guinea pig for different treatments to see how they respond.</p><p><br /></p><p>I would go with sodium hydroxide to remove surface minerals, and see what you're looking at from there.</p><p>Often times, a few hours in NaOH will allow you to mechanically clean the rest of it, with minimal damage to the coin fabric and minimal risk of going down to bare metal.[/QUOTE]</p><p><br /></p>
[QUOTE="hotwheelsearl, post: 7908110, member: 75143"]I feel like, there's really no way to make this coin worse than it is. Great guinea pig for different treatments to see how they respond. I would go with sodium hydroxide to remove surface minerals, and see what you're looking at from there. Often times, a few hours in NaOH will allow you to mechanically clean the rest of it, with minimal damage to the coin fabric and minimal risk of going down to bare metal.[/QUOTE]
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Cleaning my first ancient coin: surfaces question
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