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As a freebie with a purchase of a K50 F1.2 (yay) I received a Takumar bayonet lens. Nothing special here, these lenses are usually decent without being special.
However, this particular lens is a Takumar Bayonet zoom 80-205mm F4.5 macro.
There is a 80-200mm F4.5 (non macro) listed, but not this one, not even on Bojidar Dimitrov's Pentax K-Mount Page. I looked around, and never found any mention of 205mm macro (not a true macro, it appears to do 1:3).
Here another few shots of the lens:
The 80-200mm version appears surprisingly well-liked. I'm going to run a few tests just for the sake of it, then probably offer it for a song if a collector wants it. I own the DA*60-250 so this one is not needed.