Foreign publications
Seaby, H. A. – Roman Silver Coins: Volume III (Pertinax – Balbinus and Pupienus), London 1969, 1st edition, no ISBN
161 pages, hardcover with dust jacket, a richly illustrated catalog of Roman silver coins with valuations. A list of all known types and varieties of silver coins issued during the reign of Emperor Pertinax through the co-regency of Balbinus and Pupienus (193–238 CE). The book includes maps, tables, and numerous photographs. A valuable reference tool on Roman numismatics of this period for both novice and experienced collectors.
