Cook Islands 516a sheet

Cook Islands 516a sheet, MNH, $4.00. Michel Bl.90, Euros 10.00. Sir Rowland Hill, 1979. Postrider, Stagecoach, Automobile, Streamlined train, Cap-Horniers, sailing ship, River steamer, Liners "Deutchland", "United States", Balloon Neptune, Junkers, Graf Zeppelin, Concorde.