I think this 73 on eBay.
http://www.ebay.com/itm/Datsun-Z-Series-240Z-/191678879773
Is the same as the car that went to auction recently via Girard.
http://www.girardbid.com/servlet/List.do?auctionId=320&lotId=80&page=info
Same colour, description etc..
Price it sold for was $8,500 USD - only a month or 2 ago.
Wonder why it's up for sale again so soon?