The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Trajan (2015) First Author: Butcher Attributed to: A third century crisis? The composition and metallurgy of Roman silver coinage; Septimius Severus to Valerian and Gallienus. funded by AHRC Go back Abstract No abstract provided Bibliographic Information Type: Book ISBN: 9781107027121