i just made some hard anodized aluminium credit card size and keychain wallets, these are just first prototypes.. i will tune it now, try to make this from another materials, different graphic etc.. and need to learn things about bip-38.. interested?
well, im in the middle of making nicer version with some security patterns, it will by done by end of this week or so.. price calculated for set of card (public/private bip38 encoded) and keychain (public), economic mail included, is 17$, currently around 480utc.