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General And Slightly Off Topic Talk Forum for exchanging ideas and talking about general issues without straying too far off topic. |
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08-16-2006, 04:13 AM | #421 |
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Location: St Petersburg, Russia
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Ibaya,
It is either the acid or the chlorine if the cardboard is white. Marc |
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08-16-2006, 08:30 AM | #422 |
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Tarnish from storage in presentation boxes
Cardboard is a medals worse enemy. It will cause such changes to the medals. If you can, put the medals in individual plastic medal sleeves and then go to a dealer of "basebal cards" or go online and order 6 per page card holders. These are then put into a 4 inch thick notebook. This is what I do. As for presentation boxes, I have a shelf in a cabinet for them.
I hope this helps, Doc |
08-16-2006, 10:26 AM | #423 |
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Join Date: Jul 2006
Location: NY, USA
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Doc, I would not agree with you about keeping medals in a plastic bags. When I moved to USA I conserved my entire collection in a small plastic ziplog bags. When I transferred my staff two years later to NewYork I found that brass medals got some ugly dark spots on their surface. I believe it's because of some chemical component of plastic. If you keep a brass medal enclosed in such envelope for a long time it might be some type of reaction between the metal and polyethilene compound of plastic bag.
Silver and gold items remained intact. So for the last few years I keep my medals on a display surface covered with a cotton or wool material which has a transparent glass (not plastic) cover. So far they all doing well, no stains or other damage was found. Just regular good-looking patina. Use natural materials and you will avoid any problems Last edited by MONDVOR; 08-16-2006 at 10:28 AM. |
08-16-2006, 11:10 AM | #424 |
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Age: 63
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Doc, Mondvor,
All plastics were not created equals The most widely available ones contain plasticizer substances that, over time, tend to leak out and corrode most metals. If/when using plastic pockets, you must first ensure that they do not contain any plasticizers. The best option are mylar pockets, expensive but totally inert. Marc |
08-16-2006, 01:12 PM | #425 |
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Location: NY, USA
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Marc, probably you are right. But Americans have a proverb like "once biten by a snake you would afraid of a rope"... Something like that, i'm not sure if I said it correct
So I would stay with natural materials. Also I would not be able to verify wether or not the plastic contains those plastcizers... They never provide this information to customers |
08-16-2006, 04:05 PM | #426 |
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Tarnish from storage in presentation boxes
Mondvor,
I wasn't talking about ziplock bags. I was reffering to Standard medal plastic sleeves. These are available from several medal sellers. They do not harm the medal in any way. Best, Doc |
08-16-2006, 04:18 PM | #427 |
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Location: NY, USA
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Oh, I've seen those sleeves. But I thought they are good for transportation or temporary storage. As a permanent storage place they look... a little bit ugly And you can put only one piece per sleeve. For me big display cases look more attractive and can held great number of awards...
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08-16-2006, 04:41 PM | #428 |
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Tarnish from storage in presentation boxes
MONDVOR,
Believe me, I wish I had enough wall space for displays of all of my medals. Sadly I don't. So, I have two (soon to be 3) 4 inch wide notebooks full of pages of medals in these sleeves. I get 100 sleeves for $20. Best, Doc |
08-16-2006, 04:58 PM | #429 |
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Location: New York USA
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Guys,
Those plastic envelopes are absolutely neutral and will not damage the medals. I believe the same company also makes plastic pages with sections for 6 medals, that you can put in a standard folder. Alexei |
08-16-2006, 05:03 PM | #430 | |
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Location: California
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Quote:
I've always kept all of my groups in Ziploc freezer bags (the heaviest ones you can buy) unless they were on display. I never had a problem with it doing anything bad to any of the medals. Of course, if I actually kept a group for longer than two years, I might find out differently! Dave |
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