HAMILTON EWELL VINEYARDS, SOUTH AUSTRALIA & VICTORIA
The first airmail cover was underpaid with a single blue 5½d ‘Emu’ stamp which was canceled with a slogan cancel about preventing accidents, associated with an ADELAIDE/ 22 MAY/ 1948/ SOUTH AUST. postmark. It was addressed to Messrs. Hamilton Ewell Vineyards (Vict.) Pty. Ltd., 114 King Street, Melbourne. It was sent from the parent company in Glenelg, S. Aust and a 6d Postage Due stamp was applied. The reverse was