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<p>[QUOTE=&quot;dougsmit, post: 2467259, member: 19463&quot;]No expert here but I do know that you do not know what metal was used for your particular coin.&nbsp; We tend to throw around terms like bronze and brass rather freely but we also know that coins we call bronze can have components not on the standard list for that modern term certainly including silver which can change such things as hardness before it does color.&nbsp; Then we have the question of patina which may or may not be scratch resistant to a known degree.&nbsp; Of course we are assuming that tese brass brushes are actually brass and not those brass plated steel monsters I have seen sold in places we should not be buying coin supplies. </p><p><br /></p><p>My favorite coin pick is a splinter of ebony wood left over from my days as a wood hobbyist.&nbsp; I see plastic picks sold for some non coin uses that make me want to try one but, like everything else, not all things plastic are the same and making something plastic with embedded diamond dust is well within modern technology but not something I want. </p><p><br /></p><p>Long ago, an old collector told me that the way to cure scratches was to replace them with a hundred small scratches.&nbsp; I think we call that smoothing and tooling today.&nbsp; He was a specialist in Athenian silver which will scratch if you look at it wrong.&nbsp; I also think of those brushes they sell to use on cars that warn that they will not scratch the paint but that they will get dirty and that dirt certainly will scratch.&nbsp; Never say &#039;won&#039;t scratch&#039;.[/QUOTE]</p><p><br /></p>

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