Post Office Locator (Australia) One of the most useful links you'll use, especially when you're writing away to get new postmarks! You'll need to click the link under "I want to:" titled Locate a post office and opening hours. . Australia Post: Postmarking Australia Post’s latest listing of National First Day of Issue postmarks, used with new stamps; Temporary postmarks (usually of a commemorative nature) and Permanent postmarks, usually one used by a particular location's Post Office reflecting something unique / special to the area. . Australia 2013 Australia is hosting a world exhibition in 2013 ... follow progress through this site. . StampsAU Suppliers of Australian stamp catalogue and inventory software. We have found this computerised catalogue very helpful when tying postmarks to stamps. . Australasian Philatelic Traders' Association: APTA Looking for a reputable dealer near you? Find one here ... . Australia Philatelic Federation (APF) Home for all things related to Exhibitions, Societies, Associations and Clubs ... you'll find something (or someone) of interest near you here! .