Message:

<p>[QUOTE=&quot;physics-fan3.14, post: 2327033, member: 19165&quot;]Complicated question... </p><p><br /></p><p>Theoretically, the varieties included in CPG are available for &quot;cherrypicking,&quot; and significant enough to be worth the effort. These varieties should be popular, common, collectible, and significant. There are thousands and thousands of minor varieties, but only the most significant ones will make it into CPG (and will be designated by the TPGs). </p><p><br /></p><p>The TPGs will take the CPG and then decide which ones they will designate. I think PCGS designates all of them, NGC only designates a few of them (and some not in CPG). </p><p><br /></p><p>As for when a TPG starts designating a variety, if it is significant enough they will release a press statement. You can search the web and find these statements. If it is not significant enough, you are pretty much out of luck.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in