Josef Hammer.  Published by W Pormetter, Berlin, 1906.  This is Hammer's Doctoral dissertation, subsequently published as a Separatabdruck aus der Zeitschrift für numismatik, 1908. Later green cloth HB 145 pages.  150 x 208mm. 

Spine faded, and slight foxing to the front endpapers, otherwise a clean, bright fine copy from the library of Philip Grierson with his ex-libris.