Miscellaneous: scuffed silver key

[Foreverman]

http://everquest.allakhazam.com/db/item.html?item=22910

Drops in unrest:
says


This key was dropped by higher level mobs in the Estate of Unrest and was used to open locked doors in the zone.

I Have not come across any locked doors yet there are supposedly 4 that this key is used for.