Obverse: VIRTVS PROBI AVG
Radiate, cuirassed and helmeted bust left, holding spear and shield.
Reverse: PROVIDENT AVG / Q / SXXI
Providentia standing left, holding globe and sceptre.
Bilon, diameter 22,0 x 24,7 mm, weight 4,31 g.
This coin is part of the famous coded Eqviti series (see the letter "Q" in left field, which is the 2nd letter of the EQVITI word struck by the second officina, i.e. officina "S"), discovered and first published by Alexander Missong in his articale ‘Gleichartig systemisirte Münzreihen unter Kaiser Probus’ (1873).