Below is a link to another underpriced rare book that seldom sells below $3 - 400 dollars. The current ebay price is $99.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250765392972&ssPageName=STRK:MEWAX:IT
Christies sold this beauty for $182,500 at their American Furniture auction last month.
http://www.christies.com/LotFinder/lot_details.aspx?from=salesummary&intObjectID=5401644&sid=b05fe135-4b4f-4e94-9271-bedc2e908782
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250765392972&ssPageName=STRK:MEWAX:IT
Christies sold this beauty for $182,500 at their American Furniture auction last month.
http://www.christies.com/LotFinder/lot_details.aspx?from=salesummary&intObjectID=5401644&sid=b05fe135-4b4f-4e94-9271-bedc2e908782