A few weeks ago, David Beckworth egged me on to write about Somalian currency. I can't resist—it's a fascinating subject. The material I'm drawing on comes from Luther & White (2011), Luther (2012), Symes (2005), and Mubarak (2003) Orphaned banknotes When Somalia collapsed into civil war in January 1991, the doors of the Central Bank of Somalia were blown apart, its safes were blasted, and all cash and valuables were looted.* But something odd happened—Somali shilling banknotes continued to circulate among Somalians. To this day orphaned paper shillings are used in small transactions, despite the absence of any sort of central monetary authority. The strange case of circulating Somali shillings forces us to ask some fundamental questions about money. If the Federal Reserve and all other branches of the US government were to be suddenly swallowed up into the sea, would Fed banknotes, like Somali shillings, continue to be used? What forces conspire to keep coloured ...