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My Collection of Coins Depicting the Wolf & Twins
 
Philip I, AD 244-249. AR Antoninianus, 24mm x 22mm (4.51 gm). Radiate, draped and cuirassed bust right, IMP PHILIPPVS AVG / She-wolf standing left, suckling the twins, SAECVLARES AVGG; II in exergue. Struck AD 248, Rome. RIC IV-III 15 (pg. 70); RSC IV 178.
Gallienus, AD 253-268. AE Antoninianus, 22.31 mm (3.57 gm). Radiate head left, GALLIENVS AVG / She-wolf suckling Romulus and Remus, AETERNITAS AVG; palm in exergue. Struck AD 253-268, Asian mint. RIC V-I 628 var. (pg. 186).
Constantine I, AD 306-337. AE Follis, 20.16 mm (2.63 gm). Helmeted bust left, wearing imperial cloak, VRBS ROMA / Wolf left and twins, 2 stars above; ΓSIS in exergue. Struck AD 330-333, Siscia. RIC VII 222 Siscia (pg. 453).
Constantine I, AD 306-337. AE Follis, 17mm x 15mm (1.81 gm). Helmeted bust left, wearing imperial cloak, VRBS ROMA / Wolf left with flower-shaped object at shoulder, two stars above and twins below; SMANΘ in exergue. Antioch. RIC VII 91 Antioch (pg. 693).

Telford Collection of Ancient Coins