Mitchiner, Michael, Indo-Greek & Indo-Scythian Coinage (9 volumes), London, 1975-76, approximately 924 pages with photos throughout for nearly every type, softcover in 9 volumes. Comprehensive coverage with numbering system and profuse photos in familiar Mitchiner format. More depth on series than Ancient & Classical volume. Still the current standard for Greek series, a superb reference! complete set of 9 volumes, ex The Skanda Collection Library.
Estimate: 300-400 USD