Saw this @ Mr. Pinball Classifieds:

Wizard, 1975 Bally: $6450
A highly popular and successful pinball machine, it ran for over 10,000 units. Based on The Who's rock opera Tommy it features some great game play. Most notably it has "flip flags" on the playfield which flip over left to right when hit. This is regarded as the first licenced pinball, with The Who receiving royalties for its sale. This set a trend thereafter with many music icons being featured on pinballs the backglass shows Ann Margret and Roger Daltrey who were in the movie. Stunning cabinet. Without blemish - bright and vibrant colours. Lovely playfield: new playfield glass beautiful backglass newly rubbered. Perfect working order as a piece of furniture and Rock N Roll and Who memorabilia, it takes some beating. Even inside it is excellent. None of the wires have been chopped about - they are all as when the pinball machine left the factory. There are even the paper labels that were tied to some of the wiring loom. You may cherish this pinball for the rest of your life - but as an investment you will never lose money on it either. These will only ever go up in price.