MEC meaning in Regional ?

Medieval European Coinage is a book series on medieval coins published by Cambridge University Press in association with the Fitzwilliam Museum, Cambridge. The project was the idea of professor Philip Grierson (1910-2006) and Mark Blackburn (1953-2011) was the first general editor. It will cover the coinages of Europe for the period c.450-1500. It has been described as the "first comprehensive survey of European medieval coinages since the Traité de numismatique du moyen âge of Engel and Serrure" (1891-1905).