A man holds a sign reading "Stop FCFA, long live Africa" during an anti-colonial demonstration against the regional CFA franc on the Place de l'Obelisque in Dakar on September 16, 2017. 
The CFA franc, which is pegged to the euro, is used in eight West African countries in the region, six of which are former French colonies. / AFP PHOTO / SEYLLOU        (Photo credit should read SEYLLOU/AFP/Getty Images)