[glchen]

Not sure if there is a consolidated one for this, but you might just check the archives for the major auction houses:

www.pwccauctions.com
www.ha.com
www.hugginsandscott.com
http://catalog.scpauctions.com/auctionresults.aspx
http://www.milehighcardco.com/AuctionResults.aspx
https://www.goldinauctions.com/auctionresults.aspx
www.robertedwardauctions.com

Good luck!