Morrison, Karl F., with the collaboration of Henry Grunthal. Carolingian Coinage [Numismatic Notes and Monographs No. 158]. (New York: American Numismatic Society, 1967). 465 pages, 48 plates, 3 fold-out maps. Cardbound. One of the standard references for this area. Fine condition or better.
From the library of J. Eric Engstrom.