Object Class: Euclid Special Containment Procedures: SCP-138 is not to be touched at any time unless given explicit instructions by level 4 personnel for testing. Those given permission must pass a psychological check before entering SCP-138's containment chamber. Containment Breached, See Addendum Description: SCP-138 appears to be a simple steel medallion engraved with th Addendum 2: Someone find out where this thing got to! When I went to the safe deposit box to try and get it, it wasn't there! -Dr. Chao