Pre Stamped Envelope – Australia – XIII International Botanical Congress
Australia issued a 24c Pre Stamped Envelope in 1981 to commemorate XIII International Botanical Congress held in Sydney from 21 to 28 Aug 1981. Sir Joseph Banks a renowned Botanist is featured on the Envelope. The Six varieties of Flora framing the potrait of Sir Banks are indigenous to Australia. these are Soft Tree Fern ,Red Flowering Gum ,Scarlet Fungus , Flame or Lace Bark Tree ,Coast Banksia , Wonga -Wonga Vine. The Stamp area depicts the Flower and fruit of Red Flowering Gum.