SCP-035 ( The mask )

SCP-035 is Keter class anomaly. SCP-035 appears as a white porcelain comedy mask. At random times the expression changes to tragedy this change happens in through all media. SCP-035 is to be held in a cell with a locked door and a airlock style entrance and equipped with a fire decontamination system. 

SCP-035 seeps a highly corrosive liquid. The cell holding SCP-035 is to be cleaned every x minutes to prevent SCP-035 from breaching failure to do so will result in a containment breach. Any personnel within 1.5 to 2 meters (5 to 6 feet) or in visual contact will begin to get a strong feeling to put the mask on. If this would occur the subject in no longer classified as personnel they are "possessed' and are to be Terminated if they are outside of the cell. 

Containment is to be done by three or more personnel one member is to grab SCP-035 and begin to walk it back to its cell. If the urge is to strong and the dawn SCP-035 they are to be Terminated.