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 Replies: 10 / Views: 1,576 |
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Valued Member
United States
161 Posts |
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Pillar of the Community
917 Posts |
It looks like an RPM to me. Maybe a RPM-001? I'm sure someone will correct me if I'm wrong. Worth about $1 or so.
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Bedrock of the Community
United States
62064 Posts |
Probably 001. A good mineral oil dip to loosen the crud and a light brushing with a soft worn out tooth brush would conserve it a you should get a better image then.
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Valued Member
 United States
161 Posts |
Isn't using any type oil on a coin bad? I've heard about mineral oil and olive oil on coins, but have read that it's not good for them.
Thanks Coop and LincolnGuy!
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Bedrock of the Community
United States
62064 Posts |
Olive oil is organic and will rot on the coin. Mineral oil is similar to the oil used on machinery. It will help removed crud. It will not remove rust, tarnish, fingerprints, verdgre, carbon spots. It is save to use to bathe the coin. It doesn't clean a coin.  Not acidic and doesn't turn the coin pink. Experiment on a normal dirty coin first and see your results you get before trying it on a valuable coin. Be sure before you do something that will affect the coins lifetime. |
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Valued Member
United States
161 Posts |
Thanks for the tip Coop, I'll try it out once I get some mineral oil!
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Bedrock of the Community
United States
62064 Posts |
You can get it over the counter in the health and beauty section. One bottle will last for years.
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Valued Member
United States
130 Posts |
then its a wiz coin  |
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Pillar of the Community
United States
2624 Posts |
whizzing
Term to describe the process of mechanically moving the metal of a lightly circulated coin to simulate luster. Usually accomplished by using a wire brush attachment on a high-speed drill.
From the glossary.
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Bedrock of the Community
United States
62064 Posts |
If you still have a little gunk around the devices you can use a green thorn or re-due the process. Keep in mind a hard brush will scratch the tops of the devices. NEVER use this on a BU coin or PROOF coin. ONLY circulated coins to remove the gunk around the devices. It only removes this. Everything else will remain. Stains, fingerprints, verdegre, burned coins will not be changed with this process. Only circulated coins to remove the grime will this work. I use facial tissues pressed down to remove excess oil. Later press very soft material IE:cotton may be used. Never scrub the coin across the coin. When pieces of the grime come off in a chunk, don't brush it aside with a cloth. The grime may contain sand and will scratch the surface. stand coin on end and tap it till it falls off. Toothpicks can damage as sand may get pushed across the field scratching the coin.
Practice first on circulated, grimy coins to get your technique down before trying a variety coin. Practice first, then when you get this down first, they try to use it on coins you want to see more around the devices.
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Bedrock of the Community
United States
62064 Posts |
Whizzing also removes part of the upper surface of the coin. The coin looses cartwheels when this is used. The coin might be shiny, but it is artificial looking under a glass.
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Replies: 10 / Views: 1,576 |
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Posted 09/08/2013 01:14 am
