here are your coin ID's. For the last one, I can't give a specific reference because I can't make out all the mintmark or terminal legend on the reverse (some end with a dot); but it is from Constantinople.
Constantine II
A.D. 318-9
CONSTANTINVS IVN NOB C; laureate, draped and cuirassed bust right.
ROMAE AETERNAE; Roma std. r., shield in lap inscribed X/V; in fields P/R.
in ex. RS
RIC VII Rome 156
Constantine II
A.D. 324- 325
CONSTANTINVS IVN NOB CAES: Laureate draped and cuirassed bust right.
ALAMANNIA DEVICTA: Victory standing right, on bound captive with head turned to left, holding laurel branch and trophy.
In ex. •SIRM•
RIC VII Sirmium 50
Delmatius
A.D. 335-7
FL DELMATIVS NOB C; laureate, draped and cuirassed bust.
GLOR-IA EXERC-ITVS; Two soldiers helmeted, stg. facing one another, reversed spear in outer hands, inner hands on shields resting on the ground; between them one standard.
In ex. SMTS[?]
RIC VII Thessalonica 228
City Commemorative
A.D. 337- 340
VRBS ROMA; Roma, helmeted, wearing imperial cloak.
GLORIA EXERCITVS; Two soldiers helmeted, stg. facing one another, reversed spear in outer hands, inner hands on shields resting on ground; between them one standard.
In ex. CONS[A]
Constantinople