Australian Decimal Postal Rates 1966 - 2009

Domestic Surface & Airmail Rates
for tables of domestic postage rates including internal airmail services within Australia
(under construction; some listings now available)

Overseas Surface Rates
for tables of surface mail postage rates from Australia to overseas destinations
(under construction; some listings now available)

Overseas Airmail Rates
for tables of postage rates for airmail services from Australia to overseas destinations
(under construction; some listings now available)

These are broken down into separate time periods:

1966 (February) - 1973 (September)        Imperial Weight Steps
1973 (October) - 1982 (March)                  Metric Weight Steps (10g first weight step)
1982 (April) - 1999 (September)               Metric Weight Steps (20g first weight step)
1999 (October) - present                            Metric Weight Steps (50g first weight step)

These in turn are broken down further by the type of postal article:
Letters, Postcards & Greeting Cards, Other Articles (Printed Papers, Business Papers, Merchandise), Small Packets, and Parcels 

Special Services
for additional fees payable for services such as Registered Mail, Certified Mail, Express & Priority Mail, Cash on Delivery, Late Fee, etc.