Australia PS 1999 National Parks Envelopes
- Issue Date : 6 October 1999
- Designed by : Beth McKinlay
- Printed by : Mercury-Walch
- Print Process : Offset lithography
- Withdrawal date:
A set of four international prepaid envelopes featuring Australian national parks was released on 6 October. The envelopes feature photographs of the natural beauty of the Namadgi (Australian Capital Territory), Daintree (Queensland), Geikie Gorge (Western Australia) and Blue Mountains (New South Wales) National Parks.