1 Groschen - Frederick III - V Graz

Frederick III ruled the Habsburg lands for over five decades — the longest reign of any Holy Roman Emperor — yet his administration was perpetually cash-strapped, plagued by conflicts with the Hungarian king Matthias Corvinus, who actually occupied Vienna from 1485 to 1490. The Graz mint served as one of Frederick's primary striking facilities precisely because Vienna was repeatedly threatened or out of reach. CNA Fb 13 places this issue within a tightly documented sequence of Groschen struck from the Inner Austrian mints, distinguishable by die positioning and mintmaster marks that varied considerably across short production windows in the early 1470s.