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Pillar of the Community

United States
604 Posts
 Posted 09/20/2006  4:49 pm Show Profile   Bookmark this topic Add Buffaloboy5 to your friends list Get a Link to this Message Number of Subscribers
Can some tell me how to cleanREALLY CRUSTY COINS LIKE SUPER CRUSTY Roman coins

Any help will be taken graciously and happily

heres a bannana
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Susanlynn9's Avatar
United States
5877 Posts
 Posted 09/20/2006  6:50 pm  Show Profile   Bookmark this reply Add Susanlynn9 to your friends list Get a Link to this Reply
The safest method to start with would be a good, long soak in olive oil. Unfortunately, by "long" I mean it could take a year for it to soften up the crust sufficiently to safely remove it from the coins. I'm sure you will get more replies from collectors of ancients. I just know that mine have been soaking for a little over 18 months and are still pretty crusty.
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pattiewhack's Avatar
Canada
1152 Posts
 Posted 09/20/2006  7:00 pm  Show Profile   Bookmark this reply Add pattiewhack to your friends list Get a Link to this Reply
wow that is a long long time. By the way, (I will also post this in the buy section), would anyone happen to have some really crusty/verdegris covered coins they would sell to me for a MODERATE price? I would like to test out some cleaning methods.

Andrew
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Snooba's Avatar
Australia
1360 Posts
 Posted 09/21/2006  06:13 am  Show Profile   Bookmark this reply Add Snooba to your friends list Get a Link to this Reply
quote:
Originally posted by pattiewhack

By the way, (I will also post this in the buy section), would anyone happen to have some really crusty/verdigris covered coins they would sell to me for a MODERATE price?


Hi Andrew,

My mum has an enormous tin of pennies which I have been too scared to look at as I am pretty sure they are in appalling shape! I will go through them and see if I can find any bad ones for you, I'm afraid it's not a guarantee, they might actually be not too bad. But if I find any awful ones, they are all yours. Think of it as a reward for giving me such a terrific prize. Though kind of an unfair reward, you give me nice coins, I give you verdigris? Pretty horrible of me, really.

Snooba
Pillar of the Community
pattiewhack's Avatar
Canada
1152 Posts
 Posted 09/21/2006  8:07 pm  Show Profile   Bookmark this reply Add pattiewhack to your friends list Get a Link to this Reply
thanks!
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greekandromancoins's Avatar
Australia
205 Posts
 Posted 09/23/2006  12:39 pm  Show Profile   Bookmark this reply Add greekandromancoins to your friends list Get a Link to this Reply
Hello Buffaloboy,

Susan's method is the safest and best advised course of action. You may use distilled (deionised) water as an alternative to olive oil. I prefer to do so because the coins get oily and a nusiance to handle. The disadvantage is that the water must be changed pretty regularly.

Some of the coins will inevitably resist cleaning no matter how long you soak them for. For these, you might consider other options, perhaps careful electrolysis combined with normal mechanical cleaning.

Peter
Pillar of the Community
scoutjim99's Avatar
United States
4589 Posts
 Posted 09/23/2006  6:35 pm  Show Profile   Bookmark this reply Add scoutjim99 to your friends list Get a Link to this Reply
quote:
Originally posted by greekandromancoins

Hello Buffaloboy,

Susan's method is the safest and best advised course of action. You may use distilled (deionised) water as an alternative to olive oil. I prefer to do so because the coins get oily and a nusiance to handle. The disadvantage is that the water must be changed pretty regularly.

Some of the coins will inevitably resist cleaning no matter how long you soak them for. For these, you might consider other options, perhaps careful electrolysis combined with normal mechanical cleaning.

Peter


I have tried both and I think they work but after a long time the advantage to the distilled water is you do not need to clean with anything after to remove the oil, also distilled water is cheaper . the better Grade olive oil you use is said to have an Impact I have used extra extra virgin olive oil but it is expensive.
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Snooba's Avatar
Australia
1360 Posts
 Posted 09/24/2006  02:47 am  Show Profile   Bookmark this reply Add Snooba to your friends list Get a Link to this Reply
Buffaloboy5 - will you keep us updated with any successful methods you find? I'd be interested to see how you treat the coin and what works best for you. I've used the olive oil method, but my coins were never as bad as the ones you describe, so I'd love to know if it still works for the exceptionally dreadful coins as well.
New Member
hdwilli's Avatar
Germany
12 Posts
 Posted 09/24/2006  05:11 am  Show Profile   Bookmark this reply Add hdwilli to your friends list Get a Link to this Reply
where can I get pictures of the coins you are talking about?
Valued Member
greekandromancoins's Avatar
Australia
205 Posts
 Posted 09/24/2006  3:46 pm  Show Profile   Bookmark this reply Add greekandromancoins to your friends list Get a Link to this Reply
Hi Will,

Here is an example of the types of coins we are talking about. The typical uncleaned coins are evenly covered in layers of dirt. In addition to dirt, crusty coins can becovered in all sorts of things e.g. cement-hard dirt, rocks, crystals... you name it!

Peter


Image Insert:
Help~!!!!!!!!!!!!!!!!!!!!!!!
Edited by greekandromancoins
09/24/2006 3:49 pm
Valued Member
pat44's Avatar
Canada
96 Posts
 Posted 09/28/2006  10:44 am  Show Profile   Bookmark this reply Add pat44 to your friends list Get a Link to this Reply

Buffulo..can you post a picture of your crusty coins ?...did you see any metal or are they all coververed with hardened soil/dirt...etc.

Greek...i tried recently few coins(in the same condition of those in the picture above) in a ultra sound cleaner that I bought. And this thing seems to work well on thick greek coins. Dirt starts to break off little by little. The vibration that this machine gives off loosen the dirt then you start to seen them fall. But you have to keep your eyes on your coins because it's powerfull enough to pry of some patinas specially on roman imperial coins.
Now I have dipped few uncleaned coins in olive oil first to wetten the dirt a bit...then I'm gonna drop them in the machine then see how they go. I think that would help the ultra sound cleaner pry off the dirt much easier....I'm gonna wait and see :)
Valued Member
greekandromancoins's Avatar
Australia
205 Posts
 Posted 10/01/2006  04:56 am  Show Profile   Bookmark this reply Add greekandromancoins to your friends list Get a Link to this Reply
Hi Pat,

What kind /model of ultrasound cleaner do you use? I haven't heard anyone that's had much luck with the cheap jewelry cleaning types and don't know anyone that has had access to an industrial one. I've always been interested in trying this.

Thanks,

Peter


Valued Member
pat44's Avatar
Canada
96 Posts
 Posted 10/10/2006  7:09 pm  Show Profile   Bookmark this reply Add pat44 to your friends list Get a Link to this Reply
Sorry greek...i just red your post. Now why didn't I get notified that someone replied ?..hmmm...anyways
here's the one I got from The Source :

http://www.thesourcecc.com/estore/S...er&pagenum=0

It's a shop here that ressambles somewhat Radio Shack.
Ti'll now I tried several things like dipping coins in olive oil first for few days before dropping them in the cleaner....but that didn't do much thing...then cleaning solutions...also didn't loosen the dirt before their bath in the ultra sound cleaner.
The best cleaned coins were those that I didn't add nothing..only tap water which you fill the stainless steel tank of the cleaner with..tbefore dropping the coin/coins in...on the stainless steel. Because the cleaner comes with plastic seperator that goes in in between the tank and your coins.
But I found that the seperator is no good for cleaning ancient coins because the dirt is too tough.It's better without it. So for now the best thing is not to add anything....just water...then you drop your coin. Then you hit the start button which is a 3 minute timer. So several cycles are needed before you see some results. But with each cycle you'll notice pieces of soil(that is hundreds or thousands of years old)that are stuck on the coin start vibrating..then little by little they come off. But you have to do some tests first with different types of coins to learn what work best with this machine.

Regads,
Patrick
Edited by pat44
10/10/2006 7:14 pm
Pillar of the Community
Snooba's Avatar
Australia
1360 Posts
 Posted 10/30/2006  03:01 am  Show Profile   Bookmark this reply Add Snooba to your friends list Get a Link to this Reply
quote:
Originally posted by pattiewhack

By the way, (I will also post this in the buy section), would anyone happen to have some really crusty/verdigris covered coins they would sell to me for a MODERATE price? I would like to test out some cleaning methods.


Pattiewhack,

I have some really disgusting coins for you. Could you please email me your postal address so that I can send you some green and crusty coins?

Snooba.
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