Military bust types with Parma shields are generally rare and desirable but they are especially rare at Ticinum (much, much rare than at Serdica or Siscia). On this specimen the Parma shield is additionally decorated with two rows of soldiers. Only the 3rd example of this specific type known
Obverse: VIRTVS PROBI AVG
Reverse: VIRTVS AVG; Mars walking right holding trophy
BUST TYPE: E1 = Radiate, cuirassed and helmeted bust left, holding spear and (Parma) shield decorated with two rows of soldiers
FIELD / EXERGUE MARKS: -/-//PXXT
WEIGHT 2.70g / AXIS: 12h / DIAMETER: 24-25mm