Dimensions: approx. 81/2 x 4 1/2 inchesDate of issue: 21 June 1988Photographer/Publisher/Other marks:Â The stamps were designed by Gary Emery of Melbourne through the Australian Post Office.Printed in offset lithography by The House of Questa LimitedFormat: square Size: 34.7mm x 34.7mmPerforations: 141/2 x 141/2 Number per sheet: 100Paper: unwatermarked, phosphor-coated Gum: PVA DextrinThe cover was designed…