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Lucius Verus Dupondius - Loop Removal Tips?
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<p>[QUOTE="TIF, post: 2974717, member: 56859"]Well, it wasn't too horrible... In my first months of ancient coin fascination I bought bunches of "uncleaned" coins (what a misleading and just plain wrong term, in most cases) and experimented with various cleaning techniques.</p><p><br /></p><p>I thought it might help to heat the coins to either burn off or loosen some of the superficial stuff. Well... propane torches do get rather warm and my attention wandered for a second and I got a little close. Some type of silver metal (lead, I'd guess) burst out in little droplets, like metal pimples popping. I don't remember what type of coin this was but it was likely a late Roman bronze.</p><p><br /></p><p>Anyway, unless you know the type of metal and solder used for that loop, you don't really know what temp will be required for removal. Obviously someone put it there, so heat was used once. Did that heat damage the coin? Hard to say, given its condition. Probably best not to heat it again though.[/QUOTE]</p><p><br /></p>
[QUOTE="TIF, post: 2974717, member: 56859"]Well, it wasn't too horrible... In my first months of ancient coin fascination I bought bunches of "uncleaned" coins (what a misleading and just plain wrong term, in most cases) and experimented with various cleaning techniques. I thought it might help to heat the coins to either burn off or loosen some of the superficial stuff. Well... propane torches do get rather warm and my attention wandered for a second and I got a little close. Some type of silver metal (lead, I'd guess) burst out in little droplets, like metal pimples popping. I don't remember what type of coin this was but it was likely a late Roman bronze. Anyway, unless you know the type of metal and solder used for that loop, you don't really know what temp will be required for removal. Obviously someone put it there, so heat was used once. Did that heat damage the coin? Hard to say, given its condition. Probably best not to heat it again though.[/QUOTE]
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