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<p>[QUOTE=&quot;kanga, post: 24639837, member: 9270&quot;]I&#039;m comfortable using Greysheet values.</p><p>My auction bidding is based on adjusted Greysheet values.</p><p>When bidding I add a certain percentage of the Greysheet value to account for seller&#039;s premium.</p><p><br /></p><p>I find that I win only about 1 out of 10 bids if I use Greysheet plus 20%.</p><p>If I use Greysheet plus 30% I win about 1 out of 5 bids.</p><p><br /></p><p>The problem with Greysheet is that their values appear to be based <u>only</u> on BN copper coins.</p><p>(I&#039;m trying to value my IHC set.)</p><p>So I tried to find an adjustment factor for RB coins.</p><p>I went to the PCGS Price Guide since it lists separate values for BN, RB and RD.</p><p>(It&#039;s the only guide that I could find that took into account color.)</p><p>I don&#039;t care what absolute values PCGS listed, just what the <u>increase factor</u> is between their BN and RB coins.</p><p><br /></p><p>Interesting results.</p><p>The <u>average</u> increase in value between BN and RB coins of the same date was 34%.</p><p>And actual value doesn&#039;t seem to affect that percentage.</p><p>The <u>percentage</u> increase of a $1000 coin is pretty much the same as a $200 coin.</p><p><br /></p><p>So I&#039;ll use that 34% number of the Greysheet value to get an idea of a coin&#039;s value.</p><p>I&#039;ll use that as a starting point in negotiations.</p><p>Naturally I expect to end up somewhat lower than that.[/QUOTE]</p><p><br /></p>

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