I think you need to be careful over the Price Guides average price ie
If there has been 9 cards sold for $100 each and one card sold for $500 that straight away puts the average price up to $140. But all this means in reality is that one person paid way too much for a card, not that they are all worth $140.
Personally I love the Price Guide and especially the averages and statistics on there, but I only use them as a guide. I usually have a look at the auctions logged and just scan down to see if there is a particularly cheap or expensive one which could have affected the average.
Bad luck with the auctions Bryan but just remember all the times you got more for cards than you were expecting - it will usually turn out to be me on a bidding frenzy
