Probus. A.D. 276-282. AR antoninianus (22.3 mm, 2.75 g, 7 h). Siscia mint, struck A.D. 280. IMP PROBVS P F AVG, radiate and mantled bust of Probus right, holding eagle-tipped scepter / CONCORDIA AVG, Concordia standing left, holding patera and double cornucopia; S in right field, XXI in exergue. RIC 661 var. (bust type); Alföldi type 22, n? 10. aVF, blue-green patina. Rare variety.