Bronze, 3.83 grams, 22.63 mm. Siscia. 276-282 AD. Obverse: IMP CM AVR PROBVS PF AVG, radiate bust left, wearing trabea (imperial mantle), holding eagle-tipped sceptre. Reverse: PAX AVG, Pax standing left, holding olive-branch and transverse sceptre; P in right field; mintmark XXI in exergue. RIC V-2 Siscia 704; cf Sear 12000 (bust type). Extremely fine.