Think it over. You have machines that are important for their font, or they represent a transition or period of design. Perhaps some that simply do their job very, very well. But let's say your visitor is younger than 50. That means that their experience with actually having used typewriters would have been very fleeting, if they'd had any at all. What would engage their interest?
OK, I'll go first.
2. Olivetti Valentine. Folks are often surprised at the bright colors used on typewriters, and the Valentine has that covered, along with Ferrari styling. And the integrated case thing is intriguing.
3. My just arrived Oliver No. 9. Those typebars flying through the air like a deranged cheese slicer just have to be impressive. Plus it has the whole funky steampunk thing going on.
So I've shown you mine - now it's your turn.