68-69 AD., Civil War, Supporters of Vespasian, countermarked Dupondius of Nero from the Lugdunum mint, RIC I 597 var.

Civil War, revolt against Nero, supporters of Vespasian, countermarked Dupondius of Nero from Lugdunum (emission 5, struck ca. 67 AD.), countermarked 68-69 AD.,
Æ Dupondius (28-29 mm / 12,61 g), brass (yellow metal alloy, "orichalcum"), axes about coin alignment ↑↓ (ca. 210°),
Obv.: [IMP] NERO CAESAR AVG P MAX TR P P P , laureate head of Nero left, globe at point of neck (RIC obverse type 65 G); before neck, square countermark {VESPA} -monogram (ligate).
Rev.: SECVRI[TAS] - AVGVST - I / S C , Securitas enthroned right, relaxed with head resting on right hand, scepter in left, lit altar and torch before (RIC reverse type 29).
for the original coin: RIC I, 184, 597 (common) ; BMC 347 ; WCN 533 ; for the countermark: Grünwald 129 ; Martini 52 ; cf. RIC p. 11 ; BMC p. XXXVII ; CBN p. 22 . uncleaned
ex Kankelfitz coll.