World's first permanent cricket postmark souvenir cover, C6 size (114 mm x 162 mm), shows layout of the Brisbane Cricket Ground within map of Australia, 18¢ 1977 Test Centenary stamp, postmarked first day of use of The Gabba pictorial cricket postmark, 24 January 1986, limited edition of 200 in green and gold of which 132 were spoilt during printing!