Mystery Sign!

[Reality]

Would anyone be able to tell me when this was released by Hotel Management for staff?
Also have any of you seen it before?

http://tashload.com/Uploader/uploads//RNisJPc.jpg

http://tashload.com/Uploader/uploads//ZFkjalC.jpg

[MKR&*42]

I saw it when it got uploaded, not a damn clue what it was for.

[Hidden]

it means staff can give permission for certain people to build in certain areas without a group room

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same with the mute sign

[Reality]

Thank you :)!