Also these IC keys appear Under ITEMTYPE_COLLECTIBLE instead of TROPHY
(undaunted keys are trophies)

[64568] = "Ethereal Key",
[64574] = "Clawed Key",
[64572] = "Monstrous Enamel Key",
[64491] = "Carved-Bone Key",
[64576] = "Planar Key",
[64570] = "Legionary Key",

They are not related to any collection achievement afaik.