Viser nu Cook-øerne - Officielle frimærker (1975 - 1998) - 2 frimærker.
1989
Coral & Queen Elizabeth II - Cook Island Postage Stamps Overprinted "O.H.M.S." and Surcharged
30. maj VM: Ingen Perforeringer: 14¼ x 13¾
1989
Coral & Queen Elizabeth II - Cook Island Postage Stamps Overprinted "O.H.M.S." and Surcharged
12. juli VM: Ingen Perforeringer: 14¼ x 13¾