Centenary of Australian Postage Stamps27th Sep 1950
Designed and Engraved by E.R.M. Jones (NSW) and G. Lissendon (Vic)
No watermark
47,040,000 of each design
The se-tenant arrangement accurately reflects Australia's first two postage stamps,
issued within two days of each other in the Colonies of NSW and Victoria.
Plates 1..4 known.