An item associated with the [i][[Super  Smash Bros.]][/i] franchise. It is simply a white [[letter]] with the [[Super Smash Bros. logo]] as a red [[wax seal]].

It originally appeared in the first trailer for [i]Super Smash Bros. for WiiU/Nintendo 3DS[/i] as a letter of invitation only extended to the [[villager (animal crossing)|Villager]] of [i][[Animal Crossing]][/i], as a play on that game's letter system.  Thanks to fan popularity, the invitation was used in association with other hopefuls and eventual roster entries.