[ATTACH] Decentius A.D. 350- 353 18mm 4.3gm D N DECENTI-VS NOB CAES; bare-headed & cuirassed bust right. SALVS DD NN AVG ET CAES; large...
It's from Lyons, your mintmark is PLG
there is no silvering....this coin has been untouched since Dattari owned it. There are merely highlights reflected,
[ATTACH] [ATTACH] Constantine I AD 316 22x23mm 5.1gm CONSTANTINVS P F AVG; laureate, draped and cuirassed bust seen from the rear. MARTI...
it's a fairly common type...on eBay it might get around $20
here's an example like yours [ATTACH] Diocletian A.D. 296- 297 Æ fraction 21mm 3.2g IMP C C VAL DIOCLETIANVS P F AVG; radiate, draped &...
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