Cru'Dads thoughts;
Very nice and wide dates for Emperors (BC-AD). Details as follows:
Coin Pics 1&2:
Julius Caesar Denarius. 46-45 BC, Spanish mint. Diademed head of Venus right, Cupid on her shoulder / CAESAR below Gallia & Gaulish captive seated beneath trophy of Gallic arms. Syd 1014, Crawford 468/1. * Sear RCV 1404 * WildWinds.com
46-45 BC Julius Caesar, Spanish Mint, (Sears 1404, RRC 168/1)
Obv: NO TEXT Diadem Venus head right, Cupid on her shoulder
Rev CAESAR below Male and Female captive seated beneath trophy of Gallic arms.
Coin Pics 3&4:
Caracalla, as Caesar, Denarius. M AVR ANTONINVS CAES, draped bust right / SEVERI AVG PII FIL, sacrificial implements: lituus, axe, jug, simpulum & sprinkler. RSC 587. * Sear RCV 6679 * WildWinds.com
AD 196 Caracalla, as Caesar, Rome Mint (Sears 6679 RSC 587):
Obv: [M AVR ANTO]NINVS C[AES], draped bust right
Rev: [SEVERI AVG PII FIL], sacrificial implements: lituus, axe, jug, simpulum & sprinkler.
Coin Pics 5&6: Blurred image is a seated diety most likely to be as:
Septimius Severus, Roman Imperial Coinage of, Thumbnail Index - WildWinds.com
AD 194-196 Septimius Severus, Rome Mint (RIC Vol IV 53a):
Obv: [L SEPT SEV PERT] AVG IMP [IIII], laureate head right
Rev: [PM TR P III COS III P P], Roma seated left, holding Victory and spear.
Coin Pics 7&8:
http://www.wildwinds.com/coins/ric/titus/t.html (Look at RIC 30.1 on this page)
AD 79 Titus, as Augustus, Rome Mint (RIC Vol II Pt I 31
(R2) RSC 274b):
Obv: (Anti clockwise) [IMP] TITVS CAES VESPASIAN AVG [P M], laureate head Left /
Rev: TR P VIIII IMP X[IIII COS] VII P[P], captive kneeling right in front of a trophy.