Not sure if you have seen this Osborn 1 on eBay

Osborne 1 Vintage Computer *Fully Tested Working - With original software disks* | eBay | | | | $ 150.00 | | | | | | | Osborne 1 Vintage Computer *Fully Tested Working - With original software d... Both drives read and write perfect, monitor is sharp and clear, keyboard is also functional. Comes with original... | | | |