Sheets of Netherlands, 1966
| Issuer | Date | Desc | State | ||
| - |  |
Netherlands | 1/10/1966 | empty sheet (#1904) | incomplete |
| - |  |
Netherlands | 1/31/1966 | empty sheet (#1902) | incomplete |
| - |  |
Netherlands | 5/5/1966 | empty sheet (#1905) | incomplete |
| - |  |
Netherlands | 11/15/1966 | child welfare 1966, sheet of 3 types | incomplete |