In about 1912, forgeries of the Penny Black were made from a photograph of a genuine block of stamps from Plate 9. They shouldn't dupe the experienced collector, but if you are new to philately and perhaps...
This is an overview of the postage stamps and postal history of Australia. The various colonies that joined to form the Commonwealth of Australia in 1901 had long operated their own postal systems; see the...
Postal History studies the methods used to convey mail. A lot of people are satisfied with searching for just postmarks of their home town but there are other marks of interest to the collector on envelopes...