Zelda's Letter

is an item in.

Location and Uses
OoT3D: receives OoT3D: from the OoT3D: herself in the OoT3D:. OoT3D: is required to make the OoT3D: in OoT3D: open the gate that leads to the OoT3D:. After OoT3D: gives the OoT3D: to the OoT3D:, he will open the gate, which will remain open for the rest of the game.

Trivia

 * The Hylian text on the back of OoT3D: reads "Zelda".