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

[Lars Brinkhoff]

Eric Smith wrote:
> The only part of a KA that I have is the main console switch and light
> panel. The leadperson for the film Swordfish wanted to rent it from me, but
> we weren't able to reach an agreement.  I have yet to see the film.

I think there's only about ten seconds worth of PDP-10 goodness.

For a greater boost, check out the "Arpanet" episode of The Americans.