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<p>[QUOTE=&quot;The_Cave_Troll, post: 327854, member: 1674&quot;]though I am not a coin doc myself, the easiest way to detect putty (usually used on gold or copper, and not used as frequently on silver) is to look at the coin under a lamp at a very steep angle.&nbsp; Most coins are viewed directly under a lamp with the slab nearly parallel with the desk below it, but to see putty then you tilt the top of the slab up until the coin is at just short of perpendicular to the desk and the areas that are puttied will stand out as being monkeyed with.&nbsp; The same effect can be acchieved by tilting the top of the slab down and away from you until it is at about a 45 degree angle with the desk.[/QUOTE]</p><p><br /></p>

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