1971 Postal Strike
During the British Postal Strike in 1971 various Guernsey-Sark stamps were overprinted.

| Overprint BRITISH POSTAL STRIKE 1971 on: | perforated | imperforate | |
| 1964 | Europa | 1.50 | - |
| 1965 | Map and Hydrofoil definitives | 2.00 | - |
| 1965 | Liberation, Churchill | 2.00 | 2.00 |
| 1965 | Europa | 2.00 | - |
| 1966 | Churchill (Imperfs only 8d., 1/- and 3/-) | 2.00 | 15.00 |
| 1966 | Norman | 10.00 | - |
| 1966 | Kennedy | 2.00 | 15.00 |
| 1966 | Europa | 1.50 | 15.00 |
| 1967 | Definitives | 1.30 | - |
| 1967 | Europa | 1.50 | 15.00 |
| 1968 | Definitives | 1.50 | 15.00 |
These overprinted stamps had no connection with the Guernsey-Sark Commodore Shipping service. They are listed just for reference and I do not allocate a Sark catalogue number to them.
Copyright ©1972-1998 SilverDalen Stamps& Anders Backman
www.silverdalen.se/stamps