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<p>[QUOTE="Michael W. Bradley, post: 8323749, member: 114144"]I've posted this before. Of course each coin is different on one hand. Mostly I took from YT too but tried various methods. Electrolysis never worked for me and other sources do not recommend it. Again, this is for beginners and for coins 'without patina' and inexpensive ones. I gather that rare and expensive types should not be cleaned. First, I have a small rubber mat to place the coin on to keep it in place. Then as one YT source said: take an ordinary toothbrush, hacksaw it in more than half. Cut down the bristles in half. Smear toothpaste on the surface of the coin and I use "Barkeeper's Friend" or even a little dab of CLR on the brush too: AND brush and brush until your fingers fall off! You will see the centuries melt off with each rinse. Plenty of paper towels too. As I understand it now: Olive oil takes months or years to be effective-if you want to wait (and who does?). This method too requires patience and perseverance. Then comes the distilled water for bronze and re-cleanings as new exposure now sets off the bronze disease anew. At this point I have to stop as there are other opinions at this stage. For myself, I use a somewhat controversial and perhaps hazardous method of preservation which SHOULD NEVER be undertaken by minors and even adults must take certain precautions. It has worked out well for me though and in a future post sometime I will explain in more detail. Sometimes though after the 'distilled water' stage: other safe choices include soaking in acetone for a couple days and/or baking in the oven not higher than 150 degrees for around 10 minutes (to remove water), then lightly immerse in candle wax. As Marcus said: "Life is opinion".[/QUOTE]</p><p><br /></p>
[QUOTE="Michael W. Bradley, post: 8323749, member: 114144"]I've posted this before. Of course each coin is different on one hand. Mostly I took from YT too but tried various methods. Electrolysis never worked for me and other sources do not recommend it. Again, this is for beginners and for coins 'without patina' and inexpensive ones. I gather that rare and expensive types should not be cleaned. First, I have a small rubber mat to place the coin on to keep it in place. Then as one YT source said: take an ordinary toothbrush, hacksaw it in more than half. Cut down the bristles in half. Smear toothpaste on the surface of the coin and I use "Barkeeper's Friend" or even a little dab of CLR on the brush too: AND brush and brush until your fingers fall off! You will see the centuries melt off with each rinse. Plenty of paper towels too. As I understand it now: Olive oil takes months or years to be effective-if you want to wait (and who does?). This method too requires patience and perseverance. Then comes the distilled water for bronze and re-cleanings as new exposure now sets off the bronze disease anew. At this point I have to stop as there are other opinions at this stage. For myself, I use a somewhat controversial and perhaps hazardous method of preservation which SHOULD NEVER be undertaken by minors and even adults must take certain precautions. It has worked out well for me though and in a future post sometime I will explain in more detail. Sometimes though after the 'distilled water' stage: other safe choices include soaking in acetone for a couple days and/or baking in the oven not higher than 150 degrees for around 10 minutes (to remove water), then lightly immerse in candle wax. As Marcus said: "Life is opinion".[/QUOTE]
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