Antoninianus various Emperors. 20 Coins Lot. The antoninianus was introduced during the reign of Caracalla in early 215. Originally made of silver, it was gradually devalued and replaced by other metals due to the need to issue currency. It disappeared under Maximian in 305. Shipments destined outside of Spain (both from the European Union and third countries) are subject to the processing of the corresponding export permits. Depending on the duration of these administrative procedures, some shipments could be affected by small delays, normally not exceeding 30 days. Ref: 3410