Quote Originally Posted by Shosasosa View Post
it says in one of the dev posts that you will only be able to store items that you can only receive once.... so the event items that can be traded CAN be obtained more than once... while the U/U ones cannot (barring re-obtaining them via the event itself).
True though rep posts also stated that they weren't sure about getting seasonal event item storage implemented in time due to bugs. I'm thinking they may have changed some things, especially considering the fact that the official latest lodestone post makes absolutely no mention of U/U.