altyn Posted February 27, 2009 Report Share Posted February 27, 2009 I have noticed that many uncirculated silver coins, especially Maple Leaves, show white spots on the surface. Such spots can even be seen on coins still sealed in original plastic RCM holders. This is certainly not the same stuff as the normal dark tarnish (silver sulfide) that accumulates with time. Somewhere I read that this white stuff is silver chloride and there is no way to get rid of it. It also seems that the mint switched to packing coins in plastic rolls because of this problem. Does anybody know more about what this is and whether this white stuff can be removed? Quote Link to comment Share on other sites More sharing options...
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