En Zl1
From CloudModding OoT Wiki
ovl_En_Zl1 is one of the Child Zelda actors. This actor an "unused" near copy of ovl_En_Zl4 (01D3, Child Zelda).
This actor is notable for having an unused cutscene embedded into it's file.
Debug Rom Notes
ROM: 0xF01D34 (2406000B) Letter from Zelda? ROM: 0xF01DD0 (2406000B) Letter from Zelda?