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Look in the fine print...
ASAHI SMC PENTAX A SERIES, ZOOM 1:4 70-210, WITH CASE!! - eBay (item 130274736146 end time Dec-15-08 20:42:21 PST)
This is a 70-210 / 4 SMC - A lens. Awful steep price. Wait, there is a second lens, too. This one is an SMC - K 300 / 4. ?!?!?!?!.
The seller did not even list the good item in the title. It is in the subtitle, which Ebay no doubt charges for. Seller paid extra to hide the goodies. You had to look deep.
Assuming the zoom is worth $113.00, that makes the big guy only $100.00. Wow.
It pays to watch Ebay, even in the evenings. Stuff like this can slip through.