Up for grabs is a 50mm Macro for the Olympus OM system, made by Olympus themselves.
Nice and sharp, I've just found it easier to use my Pentax M42 macro on more setups and can't justify two same-focal-length macro lenses so out it goes.
Cleaned it up myself, glass is overall good to very good. Some dust, couple cleaning swipes on front element. Nothing that affects images, from what I see.
Focus ring is good but not great. Aperture ring a bit stiff and has some cosmetic damage, like the filter ring. I did the wooden hammer trick with appropriate wooden backing to get it back into shape, which worked well and now it accepts filters/hoods just fine.
Last image is a sample taken with this lens wide-freakin'-open.
$65 via Paypal or USPS money order, plus shipping costs.
Please PM if interested.