Item Definition (english) Definition German
 AAD Australian Antarctic Division n.a.
 AAMS Australian Airmail Society n.a.
 AAT Australian Antarctic Territory n.a.
ANARE Australian National Antarctic Research Expeditions .
ANDA Australian Notes and Coin Dealers Association
AO Allowance Office
AP Australia Post
APF Australian Philatelic Federation
APMnnnn Australian PictorMarks graphic Reference Number
APO Army Post Office
APTA Australian Philatelic Traders Association
BIC Bicentennial cancel
CAX Country Automatic Exchange
CDC Circular Date cancel
CDS Circular Date Stamp
CMA Community Mail Agency
CPA Community Postal Agency
CPS  Counter Printed Stamp
EPOS Electronic Point of Sale
FBS Free Bag Service
FDC First Day Cover Ersttagsbrief
FDI First day of issue
FDU First day of use
FPO Field (or Forces) Post Office
GP General Purpose (Cover)
GPO General Post Office
L o C Lines of Communication
LDU Last day of use
LPO Licensed Post Office
NPB National Philatelic Bureau
NPC National Philatelic Center
opt(d) overprint(ed)
PB Philatelic Bureau Melbourne
PO Post Office
POA Post Office Agency
PMG Post Master General
PNC Postal Numismatic Cover
PPE Pre-paid envelope
PSE Pre-stamped envelope
QVB Queen Victoria Building PO NSW 1230
RAX Rural Automatic Exchange
RH Receiving House
RO Receiving Office
RSD Roadside Delivery
SCAX Small Country Automatic Exchange
SN Specialist Notes (Philatelic and Stamp Bulletins)
SPC Stamp Promotion Council
T.O. Telephone or Telegraph Office
TPO Travelling Post Office
UPS Unit Postal Service