Very rare and highly desirable heroic bust with aegis (Greek: αιγίς aigís 'goatskin', Latin: aegis) - in Greek mythology, the shield of the god Zeus and goddess Athena made from the skin of the goat Amalthea. RIC V.2 misinterprets aegis for "square shield").
Provenance: ex Philippe Gysen collection
OBVERSE: VIRTVS PROBI AVG
REVERSE: PAX AVG; Pax standing left, holding olive-branch and sceptre
BUST TYPE: F19 = radiate, heroically nude bust left, holding spear and aegis, seen from the back
FIELD / EXERGUE MARKS: -/-//VXXT
WEIGHT 4.38g / AXIS: 6h / WIDTH 20-22mm