Weird question...

[tr1st3ss3du3r4.livejournal.com]

This isn't especially craft related, so obviously, mods delete if need be! However, I figured this'd be the kind of place to go for advice.

I'm at university, and one of my friends has recently discovered the list of things Royal Mail will and will not send. As such, he's sent me a banana. With the address written on it. And "perishable" on the other side. Obviously, I wish to preserve this for posterity.

...So has anyone got any ideas of how to preserve a banana?!

Thanks!