Studies in the Provincial Coinage of the Roman Empire. A catalogue of countermarks applied to Greek Imperial coins is published here for the first time. It includes over 850 different groups of countermarks on a number of countermarked coins approaching 10, 000. Howgego. ISBN: 0-901405-23-X. Pub Date: 1/1/2005. Edition: 1st. Binding: Hardcover. Size:. Pages: 317. Case: 1 .