Just when you think something from the past is obsolete, it shows up on eBay as a collectible. After a 74 year run, Kodachrome, the world's first commercially successful color film, was pulled by Eastman Kodak because of the the declining demand." - Time Magazine, July 6, 2009, page 17. Maybe you have some lying around your house, in boxes in the basement, or in your kitchen drawers. Here is a listing for 2 Kodachrome 64 slide film that sold for $44:
Pretty nice sale! This seller is actually a camera company based in Chicago, so who knows how much of this stuff they have in stock. I don't understand why the seller charged $8.95 to ship these items as they probably only weigh a few ounces and could be shipped for a couple of dollars. Overcharging on shipping can really bring down your DSRs, so be careful with that.
Click here for a comprehensive list of other discontinued items that are hot sellers on eBay. And you might also want to check out my colleague Brigette's great eBook about selling vintage items on eBay. Vintage = big profits on eBay!