[Price Check] what is it, where did it come from and how much is it worth?

[Spyder one]

I came across this mask when i had looted an idoc by myself. I've never seen it before.
If anyone has info on it, could you let me know please. thanks
it is located on the Chesapeake shard

 

[Jasonleebeck]

Baja

 

[Spyder one]

thanks much