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Posted By: warshawlaw

I can vouch for the difficulty of tracking prices. My book is on a much smaller field of endeavor and it still requires daily review of sales figures to collect data. And I do not extrapolate prices either, I just report on actual transactions. If I was trying to make up prices so I would have a price for every card in every grade when no such cards existed, the work would be mind-boggling.

The catalogue is the best resource available for card indices and general information and images. The prices are obviously not going to be realistic for more than a nanosecond given the constant flow of new items and new prices. I tend to look at it as more of an idea (a "guide") of the magnitude of an item's price rather than as a pricing resource.