I'm gonna start unloading some photography gear I don't need and first on the chopping block is my 50mm f/1.8 II.
Pretty good for an all around lens. Unlikely you'll find a lens as sharp for so cheap. The f/1.8 aperture makes it suitable for low light situations. Combine this with a set of extension tubes and you've got yourself a decent macro setup.
It's in pretty good condition except for a scuff on the barrel from when I was trying cram too much stuff into my bag! Glass is clean, comes with front and end caps, and includes the box and papers.
Scuff:
Sample images using this lens:
Macros (combined with extension tubes):
Brand new goes for $130 + GST at any local camera store.
I'm selling it for $80