mgcoins database

Rome AD 267-268 billon antoninianus 2.23 g 2.15 cm 2.16 cm 5h

obverse: hd Gallienus r radiated GALLIENVS AVG
reverse: goat walking l IOVI CONS AVG, ζ
RCV III 10199
HBU List Jan 1989 number OM 326 

Publius Licimius Egnatius Gallienus c 218 253-268
(assassinated while besieging Aureolus (usorpator in name of Postumus) in Milan
by staff officers including Claudius II and Aurelianus)
Son of Valerianus c 195 253-260 and Mariniana

ζ (=6) Officina mark

Uncertain Syrian mint
Cologne 257-60
Rome or Siscia
Uncertain Asia Minor mint 268
Viminacium, Moesia Superior
Eastern field-mint 257
Sirmium? Pannonia
Rome and/or Antioch

Decline fineness of the alloy
260 15%
266 5%
270 2.5%