Fasnacht skull mask

The Fasnacht skull mask and Fasnacht green skull mask are pieces of headwear in the Fallout 76 update Wild Appalachia.

Locations
It may be received as a rare reward for completing Fasnacht Day.

Behind the scenes

 * In the game files, this mask is internally named "Death Skull."
 * The remark made the Master of Ceremonies is a reference to the famous Oppenheimer quote