From Dealspwn newsletter:
An original platforming classic, Qwak is old enough to order a scotch on both sides of the Atlantic. It enjoyed a debut way back in the day in 1989 on the old BBC Micro and Acorn Electron, before being updated in 1993 and given a spit and a polish by Team 17 for the Amiga. And now you can get your hands on it for a penny if you want, although, as the site explains, Paypal nicks the entirety of anything under 30p.
Offer ends 22nd January.