Pre Stamped Cover on World Veterinary Congress- Australia 1983.
Australia issued a 27c Pre Stamped Envelope on XXII World Veterinary Congress held in Perth from 21-27 August 1983.
The stamp design shows a mischievous puppy’s presence and pug marks through the stamp area. The cover design features a veterinary surgeon tending a horse’s injured hoof, fowls in a coop, a boy embracing a puppy and a rainbow
EXPO ’92 World Fair Seville – Sheetlet of Spain 1992.
A Sheetlet of 12 stamps was issued by Spain on 20 April 1992 to commemorate Expo 92 World Fair at Seville. The sheetlet is inset with a layout plan of the Exhibition in four panels. All stamps were issued in 17 Pta denomination. The scenes featured on stamps are