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Replies: 29 / Views: 2,973 |
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Pillar of the Community
Canada
3692 Posts |
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Pillar of the Community
 United States
723 Posts |
Quote: Conder101 Posted - Today 31 Min ago Did anyone ever answer his question? I can think of at least three ways to do it. A few suggestions, but we kinda got side tracked. I would like to hear any ideas. I would REALLY like to hear from anyone who has successfully pulled it off. I can think of a few things to try, and I will definitely start with junk pieces. But if I screw this (hypothetical coin) up I would need to lay down on the (hypothetical) railroad tracks . . . . 
Edited by Jon K 06/10/2014 2:22 pm
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Pillar of the Community
United States
5860 Posts |
Why not simply use a q-tip to apply a little dip to one side and then wipe it off with a soft cloth?
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Moderator
 United States
23522 Posts |
I wasn't aware of a (reasonably) safe/effective way of dipping a coin that doesn't involve tongs and holding by the reeding anyway. This technique is perfectly amenable to dipping one side only; I've done it.
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Pillar of the Community
 United States
723 Posts |
Quote: I wasn't aware of a (reasonably) safe/effective way of dipping a coin that doesn't involve tongs and holding by the reeding anyway. This technique is perfectly amenable to dipping one side only; I've done it. Thank you SD, You held the coin parallel to the surface of the liquid and dunked it just deep enough for the down surface to contact? Sounds reasonable, but would require quite the steady hand.
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Moderator
 United States
23522 Posts |
Quote: You held the coin parallel to the surface of the liquid and dunked it just deep enough for the down surface to contact?
Sounds reasonable, but would require quite the steady hand. Yes, and yes. No coffee that morning. 
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Pillar of the Community
United States
531 Posts |
And please DO NOT wipe the coin with a soft cloth. Be prepared with distilled water to rinse the dipping solution off the coin.
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Moderator
 United States
23522 Posts |
Quote: And please DO NOT wipe the coin with a soft cloth. Be prepared with distilled water to rinse the dipping solution off the coin.
I have running tap water at the ready, to blast the dip off of the coin instantly under pressure. A quick acetone rinse immediately thereafter takes care of any water residue.
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Pillar of the Community
 United States
723 Posts |
I keep a container of distilled water at the ready to dunk and swish. Our tap water is "well water" full of PCPs, fracking fluid, arsenic, etc, so not good to use. Louisiana does have it's drawbacks. 
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Moderator
 Australia
16844 Posts |
Barryg's option of a q-tip sounds reasonable, though not perhaps something you'd want to try on a high-MS coin as it might leave hairlines behind.
Another option that occurs to me, having just seen similar techniques used while painting the walls of my house recently. - Place the coin on a flat work surface, ugly-side-down. - Spray varnish over the exposed surface of the coin; this will prevent the dip from reaching the side of the coin you want to protect. - Dip the coin in tarnish remover to remove the unwanted tarnish. - Now dip the coin in acetone to remove the varnish.
If varnish doesn't appeal to you, then a circular piece of sticky-tape covering up the bits you want protected might do just as well, though you'd probably still need the acetone to remove any residual sticky stuff from the tape.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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Bedrock of the Community
United States
17884 Posts |
I had come up with the q-tip and a variation of Sap's varnish method, only I was going to use either wax or a heavy grease since they could be melted off with a soak in hot distilled water and then finished off with the acetone rinse to remove the last traces.
I wouldn't trust myself to have a steady enough hand to keep the coin parallel to the surface of the dip and then only dip the one side. Too much chance of a slip, dropping the coin thereby dipping the whole thing, or dip rising up along the tongs by capillary action and getting on the top surface.
What I thought was take a flat glass plate and place two or three drops of dip on it. Then place the coin ugly side down on the drops. The drops will spread out filling the area between the plate and the coin effectively dipping just the one side.
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Pillar of the Community
United Kingdom
4208 Posts |
Soak a sponge in the dip solution and lay the coin on it.
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Pillar of the Community
 United States
723 Posts |
So far I have: Dip horizontally with tongs and a steady hand. Spray varnish. Grease / Wax. Q-tip. Drop of solution on glass. Sponge soaked with solution. Please keep 'em coming if you have any more. This is fun! For my part, I promise I will try some or all of this on some junk I have laying about. The goal here is to expand opportunities to purchase material for my own collection. Not to make money, I have long given up on that.  Here is an example below. I passed on this coin, but could have probably gotten it for about half of trends. It is in an old ANACS MS63 holder. Might get a 64 out of it. Probably not, but those marks are likely not too obtrusive in hand. The reverse is really nice. But the obverse is dark and mottled. This coin was a no sale at a $500 reserve or thereabouts. I did actually pursue it, but was unable to close the deal. How cool would it be to dip the obverse either lightly or all the way to white? And leave the reverse as it is.  
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Pillar of the Community
United States
1314 Posts |
My thoughts were to put the coin in a small shallow dish and add the chemical carefully, and off to one side, with an eye dropper. Given a short time for the chemical to react, the solution could be removed with absorbent tissues. And the coin is ready for a bath. Not the answer, just my thoughts.
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Replies: 29 / Views: 2,973 |