Special Event Cliches: Group of covers with Barred Edge 3000 postcode used at Mophila 85 (Hamburg), Possum 7000 postcode used at Philatas 89, Koala 6000 postcode used at Swanpex 90, Waratah C28, C29 and C30 cliches used at Aeropex 94, also Waratah Zoos 94 pictorial design MUH button set (9)