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Author Topic: Cleaning hammered coin  (Read 36534 times)
WEBBER
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« Reply #15 on: April 05, 2014, 02:48:02 PM »

Just put my hammered to soak in bleach it went completely black both sides so I took it out then put it in foil again this time it fizzed and gave off the egg smell.I then washed it and gave it a gentle rub with foil to bring out the highlights here it is sorry didn't take a before picture but it did improve it.


* image.jpg (23.19 KB, 442x369 - viewed 860 times.)

* image.jpg (21.48 KB, 422x349 - viewed 1032 times.)
« Last Edit: April 05, 2014, 02:52:50 PM by WEBBER » Logged
Chef Geoff
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« Reply #16 on: April 05, 2014, 03:02:25 PM »

Well done Webber I have to say I was dreading what you were going to do with it but my apologies for doubting you it's come up a treat and the reverse is a stunner Wink
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DEADLOCK
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« Reply #17 on: April 05, 2014, 03:15:12 PM »

Well saved lots of detail
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Dale
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« Reply #18 on: April 05, 2014, 03:19:42 PM »

Nice coin Webber Wink
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dances with badgers
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« Reply #19 on: April 05, 2014, 03:42:04 PM »

well saved bud
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bristolminelab
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« Reply #20 on: April 05, 2014, 03:57:16 PM »

looks great Wink
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welshjohn
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« Reply #21 on: April 05, 2014, 04:06:41 PM »

That has bought the shield up really well.  Nice hammered.

John
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jonnietaz1995
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« Reply #22 on: April 05, 2014, 07:59:50 PM »

I tried this with a Vicky thrupence, have a plastic bowl, lay some foil in the bottom, put the coin in, boil a small pan of water, add salt to the water, then pour over the coin and foil, then add bicarbonate of soda, it should stink of rotten eggs, leave until the water goes cold, take out the coin, and rub with a cloth, worked a treat for me.
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probono
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« Reply #23 on: April 05, 2014, 10:21:28 PM »

I tried this with a Vicky thrupence, have a plastic bowl, lay some foil in the bottom, put the coin in, boil a small pan of water, add salt to the water, then pour over the coin and foil, then add bicarbonate of soda, it should stink of rotten eggs, leave until the water goes cold, take out the coin, and rub with a cloth, worked a treat for me.

It works much better with washing soda (which isn't bicarb), but essentially the same (although I don't add salt, although I suppose it could help as an electrolyte).

You should always try and rub the coin / artefact with something that is softer than the metal the item is made from, otherwise it will scratch it. I've used a horsehair brush, but as I've had it for 20 years, there are particles that have been trapped in the hairs, and even these scratch the surface of silver coins - hence using things like sponges (or the cloth as you have suggested, but the missus frowns on my using the dishcloth).
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whosyouruncle
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« Reply #24 on: April 06, 2014, 01:14:43 PM »

Nice coin WEBBER ,
Good hunting M8 Smiley
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whosyouruncle
david995
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« Reply #25 on: June 29, 2014, 05:44:56 PM »

After cleaning silver coins whats the best thing to stop them going again ?
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finds 2014/15/16

silver hammered x 83
milled silver x 89
 roman coins x 6
rings 14 ...4 gold
david995
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« Reply #26 on: June 29, 2014, 05:47:15 PM »

Going black again i should of said
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finds 2014/15/16

silver hammered x 83
milled silver x 89
 roman coins x 6
rings 14 ...4 gold
Dale
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« Reply #27 on: June 29, 2014, 06:25:29 PM »

After cleaning silver coins whats the best thing to stop them going again ?

David now there out the ground/cleaned and put away safely, I don't think we need to worrie about them going black in our life time Smiley
They may tone down a little naturally but that should make the coin more attractive Wink   
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david995
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« Reply #28 on: June 29, 2014, 06:51:53 PM »

Ah right thanks dale , i was just getting some hammered and other coins out to clean and put in an album i just bought,  when i looked at them i was sure they had gone dirtier than i remembered

just done the foil trick on a few and washed and dried,  will see what they look like in proper light tomorrow
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finds 2014/15/16

silver hammered x 83
milled silver x 89
 roman coins x 6
rings 14 ...4 gold
coenwolf
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« Reply #29 on: August 26, 2015, 08:42:12 AM »

another method that works is to use oxy-clean ,just put silver coins /objects in a bowl add oxy-clean powder and add hot/boiling water ,you will literally see the specks of dirt lifting off into the bubbles ,once reaction has finished take out and clean with a silver cloth ,job done
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