I've recently come across to some wizard's recipes on how to clean ground dug zink badges, such like using distilled water and lemon juice. I've never tried that, but I got good results with a % of water and EDTA (acid). What is your secret recipe?
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with lemon juice i have one time damaged a zink SS officer buckle
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That "recipe" was from a german forum and I never dared to try it! I usually clean dug zink items with distilled water and softly brushing with an old tootbrush. If I am happy with the result then I proceed with vaseline oil,that slow down the zink corrosion, or with a special coin protective paint (well, it's not a paint but I don't know the english word ...).Comment
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I also collect coins. I can tell you for sure that there is no type of coating which should be applied to coins, if that is what you mean.
Likewise, I cannot imagine any similar "clear coat" substance that would not also inflict irreparable damage to the badges. There is no doubt that such a coating (which would likely not be easily removed) would greatly reduce the value of the badges in the opinion of most collectors. Of course, you may do what you like with your pieces, but I highly discourage anything which involves such a likely permanent coating. That would likely produce little more than regret in the long run.
That's just my opinion.
ChrisComment
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Hi not sure if the exact translation is clear coat, the one I use is made by Lindner and in german it's called Münzen Konservierer , Coin Preserver.
It's not a lacquer,it's biologic, and you could not see it once applied. it can be easily removed without damage with another product.
I used on some of my dug badges and I am quite happy with the result since as I said before, there is no "wet effect" or any visible patina.Comment
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