UN’s got it covered (sarc)
http://74.125.153.132/search?q=cache:TtY2TpKXC1QJ:www.examiner.com/x-32916-Vancouver-Humanism-Examiner~y2009m12d15-UN-to-produce-bullion-coins-as-world-currency+vancouver+examiner.com+gold+coins&hl=en&gl=au&strip=0
Interesting. The whole world is poised to go black market.