Australia PS 1981 13th International Botanical Congress - Sydney

From Stamps of the World
  • Issue Date: 24 August 1981
  • Type: Envelope
  • Print Run :
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Australia PS 1981 13th International Botanical Congress - Sydney front cover.jpg
Australia PS 1981 13th International Botanical Congress - Sydney back cover.jpg

First Day of Issue

Validated in Sydney University
Validated in the Royal Tasmanian Botanical Gardens, Hobart
Validated in Lilydale, Tasmania
Validated in Waratah, Tasmania
Validated in Elizabeth Farm House, Parramatta, NSW
Validated in Archerfield, Q
Validated in Toukley, NSW