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<p>[QUOTE=&quot;Publius2, post: 8136376, member: 105571&quot;]Here is what CDN publishes in the Greysheet under the heading &quot;Using The Greysheet&quot;:</p><p><br /></p><p>&quot;The monthly Greysheet...reports the national wholesale rare coin market by monitoring dealer-to-dealer transactions, public auctions, trade-shows, online trading networks (CDNX, CCE), subscriber feedback and other sources.&quot;</p><p><br /></p><p>I could go on quoting a much lengthier description as published but you get the idea.&nbsp; Also, the Greysheet lists both &quot;sight seen&quot; and &quot;sight unseen&quot; (Bluesheet) pricing.</p><p><br /></p><p>While the paper edition of the Greysheet is obviously a lagging indicator due to printing and mailing lead times, CDN claims that the on-line version is updated regularly, for some issues sometimes as often as daily.</p><p><br /></p><p>As far as I know PCGS and NGC do not list any &quot;sight unseen&quot; pricing but just because I haven&#039;t seen it doesn&#039;t mean it doesn&#039;t exist.&nbsp; I wonder if I can squeeze another negative into that sentence?</p><p><br /></p><p>Also, Greysheet is supposed to be a wholesale dealer-to-dealer bid price guide, not a retail guide.&nbsp; The pricing seen at PCGS and NGC is retail and generally considered to be high retail.&nbsp; I don&#039;t know how PCGS and NGC come up with their pricing.&nbsp; CDN also publishes a retail price guide which normally has prices that fall between the Greysheet and the PCGS/NGC prices.</p><p><br /></p><p>Certainly supply and demand play a part in the pricing and value (using your definitions of those terms) of coins but I don&#039;t think any of the pricing services utilize any demand/supply algorithms in establishing their pricing guide values.&nbsp; After all, why should they?&nbsp; The pricing they are amalgamating from the market already has all the supply and demand infinite variables baked into those prices.&nbsp; That&#039;s what a market is in economics terms - a price discovery mechanism.</p><p><br /></p><p>The topic of bullion price versus numismatic gold coin premium has been discussed at length here at Coin Talk with some notable treatises by [USER=73489]@GoldFinger1969[/USER].&nbsp; I think if you were to search and read those threads you might come up the same very, very general conclusion that I did:&nbsp; &quot;Numismatic premiums for common date pre-1933 US gold coins are inversely proportional to gold bullion spot price and is a lagging function.&quot;</p><p><br /></p><p>Hope that works for you.[/QUOTE]</p><p><br /></p>

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