Probus. BI antoninianus. Siscia mint, struck 276-277 AD. 

IMP C M AVR PROBVS P F AVG, radiate bust left, wearing imperial mantle, holding eagle-tipped sceptre.
PAX AVG, Pax standing left, holding branch and sceptre.

Officina letters VI in right field.
Mintmark XXI. 

RIC 704.

With permission of Eidmar auction 5, (on biddr.com), Nov. 2024.