Trajan, Rome mint, 103-111 AD.,
Dupondius (ø 27 mm / 13,22 g), brass ("orichalcum"), axes about coin alignment ↑↓ (ca. 170°),
Obv.: IMP CAES NERVAE TRAIANO AVG GER DAC P M TR P COS V P P , his radiate bust right, aegis on left shoulder.
Rev.: S P Q R OPTIMO PRINCIPI / S - C , Roma standing left, holding Victory and leaning on spear, captive Dacian kneeling before.
RIC II, p. 279, no. 487 (common) ; Coh. 389 ; www.acsearch.info only 1 specimen of RIC 487 with aegis .