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Electrolysis Results, Good And Bad

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gtkwml's Avatar
United States
224 Posts
 Posted 06/03/2018  8:09 pm Show Profile   Bookmark this topic Add gtkwml to your friends list Get a Link to this Message Number of Subscribers
I haven't started to identify this one yet. It started out as a corroded crusty, but electrolysis showed up the nicest bust I've turned up in a long time. Yet the lettering is almost all gone, and the reverse is gone. I'm quite happy with just the portrait!


Electrolysis-Results,-Good-And-Bad
Electrolysis-Results,-Good-And-Bad
Pillar of the Community
United States
1120 Posts
 Posted 06/03/2018  8:16 pm  Show Profile   Bookmark this reply Add travelcoin to your friends list Get a Link to this Reply
Just from the looks of the portrait : Claudius II (Gothicus)
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gtkwml's Avatar
United States
224 Posts
 Posted 06/03/2018  8:26 pm  Show Profile   Bookmark this reply Add gtkwml to your friends list Get a Link to this Reply
From the lettering that remains, I think I can see IANUS. Would that appear on any Claudius II?
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 Posted 06/03/2018  8:48 pm  Show Profile   Bookmark this reply Add travelcoin to your friends list Get a Link to this Reply
I believe most if not all will read "CLAVDIVS AVG"
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Kamnaskires's Avatar
United States
7066 Posts
 Posted 06/03/2018  8:49 pm  Show Profile   Bookmark this reply Add Kamnaskires to your friends list Get a Link to this Reply
Perhaps AVRELIANVS (Aurelian)?
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 Posted 06/03/2018  8:53 pm  Show Profile   Bookmark this reply Add travelcoin to your friends list Get a Link to this Reply
Bob, I think you got it. The legend doesn't match Claudius II. The "O" is prominent on the reverse, which, looking at the examples on Wildwinds is consistent with Victory walking left.
Edited by travelcoin
06/03/2018 8:57 pm
Valued Member
gtkwml's Avatar
United States
224 Posts
 Posted 06/03/2018  8:58 pm  Show Profile   Bookmark this reply Add gtkwml to your friends list Get a Link to this Reply
Bob, I think you scored again. Looking closer, it's LIANUS on the coin. And I just looked at some Aurelian busts. I think that's the guy. Thanks!
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echizento's Avatar
United States
23731 Posts
 Posted 06/03/2018  9:20 pm  Show Profile   Bookmark this reply Add echizento to your friends list Get a Link to this Reply
IMO electrolysis is a dangerous and destructive method to clean ancient coins, it will remove the dirt along with the patina and even the metal on the coin. I avoid it like the plague.
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gtkwml's Avatar
United States
224 Posts
 Posted 06/03/2018  9:33 pm  Show Profile   Bookmark this reply Add gtkwml to your friends list Get a Link to this Reply
I only use electrolysis on those that have little hope for cleaning by soaking. Yes, it can remove patina, but I have never seen destruction of metal, even experimenting with up to 30 one hour sessions to see what it would do. No change on the metal.

I use distilled water, washing soda (very dilute) and carbon electrodes. NEVER use a stainless steel electrode like some zappers do!

I use soaking on dirty coins, electrolysis on corroded coins that wouldn't reveal themselves in decades of soaking and brushing.
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ancient67's Avatar
France
330 Posts
 Posted 06/04/2018  07:55 am  Show Profile   Bookmark this reply Add ancient67 to your friends list Get a Link to this Reply
It would have been nice to see a picture of the coin before electrolyses... Don't you have one? To assess the quality of the result we need a starting point !
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gtkwml's Avatar
United States
224 Posts
 Posted 06/04/2018  09:30 am  Show Profile   Bookmark this reply Add gtkwml to your friends list Get a Link to this Reply
I don't have a pic of that specific coin, but two of the following pics show the coins that I buy by the pound or kilo. Many will be little more than slugs under the corrosion. Few are a surprise like this Aurelian. The third pic is ones selected for soaking and brushing - NOT electrolysis.

Electrolysis-Results,-Good-And-Bad

Electrolysis-Results,-Good-And-Bad

Electrolysis-Results,-Good-And-Bad
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 Posted 06/04/2018  5:04 pm  Show Profile   Bookmark this reply Add FVRIVS RVFVS to your friends list Get a Link to this Reply
It is quite easy to spot the coins that have undergone this procedure.
They have that half dissolved alkaseltzer tablet look about them.

Question .......
If you have been buying I uncleaned coins by the kilo and cleaning them the "old fashioned" way as well as zapping them in your electric barbeque.
How could you have not known this was an Aurelian ?
It took me around 2.5 seconds and started to type the name when you posted it but was overcome with a feeling of nausea by the mere thought of electrolysis.
I decided to delete it
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gtkwml's Avatar
United States
224 Posts
 Posted 06/04/2018  6:11 pm  Show Profile   Bookmark this reply Add gtkwml to your friends list Get a Link to this Reply
I have experimented by taking a copper, pre 1982, penny, and giving it over 30 one- hour sessions of electrolysis. After examining with a jewelers loupe I saw no sign of deterioration of the copper surface. It would appear that the alka seltzer look is the product of over a thousand years of corrosion in the ground, rather than from the electrolysis. Take a penny and try it. I think you'll be surprised.
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gtkwml's Avatar
United States
224 Posts
 Posted 06/04/2018  6:38 pm  Show Profile   Bookmark this reply Add gtkwml to your friends list Get a Link to this Reply
As for Aurelian- most of the coins I've done in the past have not had enough left under the corrosion to identify. I've had only one Aurelian before this one, and not recent. And OMG I've seen a lot of Constan* and downed horsemen being speared. #128561;
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