DC01
... that'll go through the roof, I suppose not just collectors will be watching it, maybe museums and also home expeditions too! My guess on the DC01 price, is anything up to £500, if more.
Someone show these ended Hoover auctions to Hoover, and then they'll think before producing more rubbish bagless cleaners, and they'll see how much peope are prepared to pay for a DECENT Hoover!