As many of you likely know, in the DS version of Final Fantasy 3, every class has a certain weapon that only they can use. Now, when you GET this item, you obtain a stamp of which you can put into letters, and this will share the item with all your little pals, you cheating bastard. Now, I won't explain how one gets the weapon, since most of you probably already know, and if not, can easily find out using GameFaq's Master Smith FAQ by Pokemaniac.
Now, the point of this topic is simply to trade stamps. Or, if you're a generous hooligan, merely give stamps.
Sadly, I cannot contribute too well to the trading post at the current time, as I lack all the cards. >_> You may actually want to put the cards you have in your signature.