Thanks for posting this idea and all the results everyone got from them, fun stuff! I'm thinking it'd be easy to decoupage one of those plastic pins with cool images (yeah probably over the top, but that's me!)
The altoid tin is cool too, but I remember reading somewhere in the last few days not to store a pv in a pocket with metal (or a cell phone) - so would the metal altoid tin do something to the pv? Being a complete altoid junkie, I have empty tins stashed all over the house. I've seen some gorgeous altered art altoid tins.
Your very welcome! This is supposed to be fun!
(I found also that it can provide a small diversion in the early stags of quitting or cutting back on those nasty analogs.)
As far as your Altoid® tins go... I don't know of any issues, but do know of many forum members in the past that have used them in the same way as PV cases.