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Obv: IMP C DIOCLETIANUS PF AVG. Rev: SACRA MONET AVGG ET CAES NOSTR. Mint of Ticinum, c. 304-305 A.D. Mint mark.
Roman Imperial, Roman, Follis of Diocletian, 284/305 AD, Bronze. Detroit Institute of Arts, 99.5B5181.
Roman Imperial, Roman
Mint of Rome