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<p>[QUOTE=&quot;Insider, post: 4973060, member: 24314&quot;]You would think that makes sense.&nbsp; In fact, in the early 70&#039;s at the authentication service every coin was weighed.&nbsp; However, as fakes became better, the only thing a weight was useful for was to ID the coin. </p><p><br /></p><p>Even today, most fakes can be spotted immediately by a trained authenticator who is familiar with the Country&#039;s coins.&nbsp; He/she knows what the genuine should look like and does not need to weigh the coin.&nbsp; A majority of the fakes posted/discussed on coin forums are probably underweight.&nbsp; The T$ in this discussion is one I would weigh. </p><p><br /></p><p>This may apply to all coins but we did an experiment on US gold coins.&nbsp; The Mint has an official weight and tolerance.&nbsp; What we found was a bell shaped line.&nbsp; The genuine coins fell all along the line reaching the thin parts at both ends while the well made fakes of the correct ally clustered right around the official weight![/QUOTE]</p><p><br /></p>

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