Watch List notes:

Vespasian (69-79), Accidentally incuse denarius, Rome, c. AD 69-70; AR (g 2,83; mm 17; h 12); [IMP] CAESAR VESPASIANVS [AVG], laureate head r., Rv. Incuse of obverse. Cfr. for the obverse RIC I 1-28 = II 1-6.
Very fine.