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<p>[QUOTE=&quot;YOC, post: 2467395, member: 58941&quot;]I am not jumping onto anyones side in this thread, just stating facts.</p><p>It is wrong to say that SBBB (soft brass bristle brushes) do not damage coins, they do.</p><p>The patina is more often than not softer than the &#039;bronze&#039; and will scratch easily.&nbsp; The coin is referred to as bronze, but nearly always contains a quantity of lead and other metal traces.&nbsp; These will be scratched by SBBB.</p><p>To prove a point, take one of your slugs with no detail and hold it over a candle flame using tongs.&nbsp;&nbsp; watch the metals with lower melting points fizzing off the coin surface and then allow to cool.&nbsp; There will be pitting and holes left where the lead etc melted away. </p><p>Even hard wood will damage patina, but not the bare metal.&nbsp; I use cocktail sticks and thorns, but again you have to be careful.[/QUOTE]</p><p><br /></p>

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