Denarius, Caracalla & father
Caracalla, AR Denarius, 
ANTONINVS AVGVSTUS, laureate, draped, and cuirassed bust of Caracalla, facing right. 
AETERNIT IMPERI, laureate, draped, and cuirassed bust of Septimius Severus, on 
left facing right, confronted by his son Caracalla, on right facing left. 

VF+, rare dynastic issue, RIC 32b (Rarity-3), RCV 6536, Vagi/CHRE 1732, RSC 2, (2.2 gm.).

With permission of cngcoins.com.