Merci beaucoup Uzes!
Ca serait la Varbanov 780:
MOESIA INFERIOR, Marcianopolis. Septimius Severus. AD 193-211. Æ (27mm, 11.83 g, 12h). Flavius Ulpianus, legatus consularis. Struck AD 210-211. Laureate, draped, and cuirassed bust right / Magna Mater (Cybele) seated left on throne, holding patera and resting elbow upon drum; lion reclining to left and right. H&J, Marcianopolis 6.14.31.15; Varbanov 780. Good VF, hard dark green patina. From the R.H. Collection. Ex CNG Inventory 156213 (July 2005).