Sheets of Cook Islands, 1986
| Issuer | Date | Desc | State | ||
| - |  |
Cook Islands | 3/13/1986 | empty sheet (#19217) | incomplete |
| - |  |
Cook Islands | 3/13/1986 | empty sheet (#19221) | incomplete |
| - |  |
Cook Islands | 4/21/1986 | empty sheet (#19218) | incomplete |
| - |  |
Cook Islands | 4/21/1986 | empty sheet (#19219) | incomplete |
| - |  |
Cook Islands | 4/21/1986 | empty sheet (#19220) | incomplete |
| - | no image | Cook Islands | 8/4/1986 | STAMPEX '86, empty sheet (#64860) | incomplete |
| - | no image | Cook Islands | 8/4/1986 | 86th birthday of Queen Elizabeth the Queen Mother, sheet of 4 types | |
| - |  |
Cook Islands | 11/17/1986 | empty sheet (#19222) | incomplete |
| - |  |
Cook Islands | 11/17/1986 | empty sheet (#19223) | incomplete |