International Philatelic Exhibition in Rome - stamps of the 5 continents

500 £. - Oceania, black swan stamp of Australia - Color polychrome - Stamp Perforation 14 ¼ × 13 - Intaglio and Offset Printing - Printed from IPZS Rome - BF - Size 40 × 30 (mm) - Mintage 3.000.000.