BILLETARIA is a publication created and co-ordinated by the Cash and Issue Department of the Banco de España in collaboration with its counterparts from the Banco de México and the Banco Central de la República Argentina.
It is aimed at cash management professionals from central banks all around the world, offering opinion-based and technical articles written by experts from central banks or bank note printers.
Issued bi-annually in English and in Spanish, every two years, moreover, an extra edition is published focusing in depth on an individual topic.