Watch List notes:

Moesia Inferior, Nicopolis ad Istrum. Diadumenian. As Caesar, A.D. 217-218. AE tetrassarion (26.3 mm, 12.21 g, 7 h). Statius Longinus, magistrate. M OΠEΛ ΔIAΔOVMENIANOC K, bare-headed, draped and cuirassed bust right; seen from behind / VΠ CTA ΛONΓAINOV NIKOΠOΛITΩN / ΠP / OC / ICTPΩ, Tyche standing left, holding rudder and cornucopia. Varbanov 3754 var; H&J 8.25.38.12; AMNG 1869; Megaw 4.40. aVF, green patina. 

This reverse die is not known to H&J.