2. Post Diocletian Reform
Most mints have
distinctive mint
markings
Campgate type coins
from the time of
Constantine the Great
and his sons are
among some of these
There are 15 known
mints for this type of
coin
8. Cyzicus
MK
SMK
With various officinae
marks
With various control
markings
CJSII-0770
9. Heraclea
HT, MHT, SMH
With various officinae
marks & control markings
Early series (316) also
Star became a fixture
after 324 control mark
Known for 3 Turret
design
CJSII-0805
11. Lyons
LG
LVG
Again very few of this
type of coin was
struck at this mint
CJSII-0863
12. Nicomedia
MN, N, SMN
With various officinae
marks
With various control
markings
Only mint to use the
“dot” in place of last S
in the reverse legend
PROVIDENTIAECAESS
CJSII-0857
13. Rome
R, RB, RF
With various officinae
marks & control
markings
2, 3 & 4 turret design
No door, closed door
& open ones
Early 300 and 320’s
CJSII-0871
14. Sirmium
SIRM
Only one issue struck
in this style
Coin of Constantius II
RIC 53
Struck in 324 -325
Using the Star above
the 2 turrets
CJSII-0918
15. Siscia
SIS, SISC
With various officinae marks
and control markings
RIC 214, 216 & 217 are
among the easiest to find
CJSII-0725
16. Thessalonica
SMTS
TES
With various officina
markings
Again one of the
easiest mints in the
series to find
CJSII-0887
17. Treveri
TR
TRE
With various officina
marks
Not the hardest, but
difficult to find coins
of this style from this
mint.
CJSII-0847
18. Coins that were struck from One
Mint I don’t own examples of (yet)
Ticinum – T
Very few coins struck
in this style at this
mint
Three groupings from
325 to 327
Also used a crescent
as a control mark
Constantine II &
Constantius II
19. Roman Coinage Prior to the
Diocletian Reform (mid 290’s)
Different from coins
struck after the
Reform in so much as
the mint city was not
spelled out in detail
on the before issues.
Legend, style,
placement of marks
are important to
attribute the mint
CJSII-0681
20. Coded Coins prior to the
Diocletian Reform
Probus – code word AEQVITI, AEQVIT or
EQVITI struck in 280, 281 & 282 at two
mints Rome and Ticinum
Diocletian – code word IOBI (Jupiter)
struck at a single mint Siscia in 289 & 290
Maximian – code word HPKOYLI
(Hercules) struck at a single mint Siscia in
289 & 290 as a companion to Diocletian’s
21.
22. PROBUS – 280CE
Ticinum
P – Prima (First)
The E of EQVITI
CONCORDMILIT
Concordia holding two
standards
RIC vol V part ii 480
CJSII-0378
23. PROBUS – 280CE
Ticinum
S – Secunda (Second)
The Q of EQVITI
PROVIDENTAVG
Providentia holding a
globe & sceptre
RIC vol V part ii 491
CJSII-0300
24. PROBUS – 280CE
Ticinum
T – Tertia (Third)
The V of EQVITI
SALVSAVG
Salus feeding serpent
in arms
RIC vol V part ii 499
CJSII-0297
25. PROBUS – 280CE
Ticinum
Q – Quarta (Fourth)
The (1st) I of EQVITI
MARTIPACIF
Mars holding olive-
branch spear and
shield
RIC vol V part ii 508
CJSII-0306
26. PROBUS – 280CE
Ticinum
V – Quinta (Fifth)
The T of EQVITI
PAXAVGVSTI
Pax holding olive-
branch sceptre
RIC vol V part ii 516
CJSII-0301
27. PROBUS – 280CE
Ticinum
VI – Sexta (sixth)
The (2nd) I of EQVITI
SECVRITPREP
Securitas leaning on a
column & arm raised
RIC vol V part ii 526
CJSII-0341
28. PROBUS – 282CE
Rome - RAA
A – Alpha (First)
The A of AEQVITI
VICTORIAGERM
Trophy between two
captives
RIC vol V part ii 223
CJSII-0298
29. PROBUS – 282CE
Rome - REB
B – Beta (Second)
The E of AEQVITI
IOVICONSPROBAVG
Jupiter holding
thunderbolt & sceptre
RIC vol V part ii 175
CJSII-0305
30. PROBUS – 282CE
Rome - RQG
G – Gamma (Third)
The Q of AEQVITI
MARTIPACIF
Mars holding olive-
branch spear and
shield
RIC vol V part ii 177
CJSII-0391
31. PROBUS – 282CE
Rome - RVD
D – Delta (Fourth)
The V of AEQVITI
ROMAEAETER
Roma seated in a
temple holding
Victory and sceptre
RIC vol V part ii 187
CJSII-0364
32. PROBUS – 282CE
Rome - RIE
E – Epsilon (Fifth)
The (1st) I of AEQVITI
FIDESMILITVM
Fides holding two
ensigns
RIC vol V part ii 170
CJSII-0302
33. PROBUS – 282CE
Rome - RTV
V – Stigma (sixth)
The T of AEQVITI
PROVIDENTAVG
Providentia holding a
globe & sceptre
RIC vol V part ii 181
CJSII-0360
34. PROBUS – 282CE
Rome - RIZ
Z – Zeta (seventh)
The (2nd) I of AEQVITI
AETERNITASAVG
Sol holding a globe &
raising hand
RIC vol V part ii 168
CJSII-0353
35.
36. The four positions of the Officina
CJSII-0681
CJSII-0416
CJSII-0889
CJSII-0794