What's the rarest or most unusual computer-related item do you own?

[Chris Hanson]

On Jan 12, 2017, at 12:54 PM, Raymond Wiker <rwiker at gmail.com> wrote:
> 
> I've been following this topic, and suddenly realised… that I don't actually have any particularly rare or unusual items – the nearest I can think of is a Commodore N-60 navigation calculator, but I also have two early Apple IIs.
> 
> If I can mention items that I have owned, the list becomes slightly longer: a PC532, Symbolics MacIvory II and a TI microExplorer.

What happened to the MacIvory II and microExplorer?

  -- Chris