Posted By:
David I don't know what the 'book price' for this item is, but why would you pay this amount of money when you can get a Greenberg mint signed index card for $30-50 bucks. I always laugh at that '1 of 1' stuff, when there are probably at least a thousand Greenberg autographs out there.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1857704657