No, they are not Legal. But the Copyright holders need to bring a case and many of them are absolved by larger companies now who are just not interested in a small time eBay seller.
Same for people selling pirate Kickstart Roms, Workbench Disks, etc...
What shocks me is people actually pay £40 for a CF Card they can get for £8 and a CF-IDE adapter they can get for 99p :lol:
Everything else they can download from one site in A-Z packs...