Old Mac laptop; floppy discs (3.25"); Armstrad PenPad tablet computer; old software on CDs; and a lot of folders. Also letters from Scott McCloud (creator of my favorite book about art, "Understanding Comics"); and brilliant cartoonist Howard Cruse.
The video has a break in the middle I ran out of space on the camera's SD card.
(Ignore the low resolution at the beginning I think that's a YouTube glitch. It clears up quickly.)