Per 
Item #: SCP-XXXX
Object Class: Euclid
Special Containment Procedures: SCP-XXXX is to be kept in a secure containment facility in an undisclosed location. Individuals affected by SCP-XXXX are to be terminated should they attempt to break into the facility. Should SCP-XXXX be used, all personnel and individuals within the affected radius are to be terminated.
Description: SCP-XXXX is a single dollar coin of American currency, issued [REDACTED]. It bares no damage and is made of copper. SCP-XXXX's anomalous properties manifest if it is flipped in a coin toss involving at least two people. Should SCP-XXXX land on either side called by one of the participants, they will feel elated and request to flip the coin again.
Addendum: [Optional additional paragraphs]
