If you like the Casascius pieces, as I do, you might also like our new pieces.
You can't load them with anything, but they also do work as outreach and Bitcoin education.
The QR code on them shows the current recommended trade value of the piece in Bitcoin.
They are a nice way to introduce the notion of bitcoin as value.
They can scan the QR on the silver as often as they like to see how Bitcoin and Silver relative value changes, as well as the value of silver to fiat currencies.
https://bitcointalk.org/index.php?topic=269535.msg28835935They are not expensive at .25 BTC each so you can get as many as you like.