Lot of 2 Books on Byzantine Coins. Studies in Early Byzantine Gold Coinage. Hahn and Metcalf. Numismatic Studies, no. 17. New York, 1988. 142 pages with 24 plates. // Eastern Roman Successors of the Sestertius. H.J. Berk. Chicago, 1987. 979 coins cited, line drawings throughout, two additional plates.