I picked up an Apple IIc for $30 which was not in great shape, but I think I've got everything working on it. The upper bank of memory had 4 bad DRAM's which I 've replaced, I upgraded it to the 4X ROM, cleaned the disk head, fixed the volume control, and got the keyboard cleaned up and working decently. It was so grimy when I got it, but lots of cleaning and some retrobrighting and it looks pretty decent now. I didn't get all the yellow removed so it would look white like the bottom, but it looks good.
It came with one disk which does boot. I can run the CATALOG command after booting this disk. I used the INIT command to make a new disk and that disk also now boots.
I am assuming I have some sort of AppleDOS on it, but how do you know? Is there a way to check the version?