Preliminary information on countermarks
...more to come in the next months...
no guarantee for accuracy as this page was
compiled out of several sources which differ
in interpretation and affiliation to the emperors
Augustus:
AVC
wheel
IMP
IMP + lituus
C VAL
C. Numonius Vala:
cavalry prefect
under Varus
Q VAR
Quintilius Varus:
while governor in Syria
VAR
Varus
APRON
Apronius ?
(moneyer of Augustus)
PP
IMPAVC
Tiberius:
TIB
(also with square punch)
CAE
TICAE
TIBIM
(also TIBIMP)
TIBAVC
Claudius:
IMP
TICA
TIAV
TIBCLAVIMP
(also TIBCLAIMP)
AVTICAV
(also AVTCAV)
Nero:
NCAPR
Civil War 68-70 AD
SPQR
+ variations like
SPR, SPO, PR
Revaluations:
PROB
(also PRO, PR) (lat. probatum - approve)
* heavy worn coins were approved to be official and to remain in circulation WITH THE SAME VALUE (otherwise they were marked with DVP, AS or S)
* also barbaric issuse were stamped with this (maybe a 'private' countermark to keep barbaric coins in trade when roman officials couldn't or wouldn't stamp it)
* affiliated to Claudius I.
DVP
(also DV)
revaluation to a Dupondius
AS, S
revaluation to an As or Semis
The 'S' is in use since republican times.