Watch List notes:

HUNNIC TRIBES, Uncertain. Anonymous. Before 700. AR Drachm (31mm, 3.61 g, 3h). Countermarked ST (Istakhr) mint Pērōz (Fīrūz) I AR Drachm. Bust right, wearing mural crown with frontal crescent, korymbos set on crescent, and rear merlon (cf. SNS type IIa/1c); c/ms: CONOXOΛO and CΠI/CΛΓ, each in Bactrian in incuse and / Fire altar with ribbons; flanked by two attendants; star and crescent flanking flames. Vondrovec [Göbl, Hunnen] Type 283/b (example with c/ms). Good Fine, toned.

The host coin is likely itself an imitative issue.