Message:

<p>[QUOTE=&quot;Ce BCA, post: 3748941, member: 18716&quot;]I&#039;ve not used one, but on jewellers forums they like to tar and feather people who have them.&nbsp; I guess they could be ok in the field where you can&#039;t use acid, and even if not accurate they will give some indication.&nbsp; If you mean the ultrasonic coin testers though, apparently they work quite well.[/QUOTE]</p><p><br /></p>

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