Issuer | Date | Desc | State | ||
- | Russia | 3/16/1971 | sheet of 4 types | ||
- | Russia | 4/12/1971 | manned space flight 10th, sheet of 4 types | ||
- | Russia | 10/14/1971 | Vorovsky 100th, empty sheet (#1603) | incomplete | |
- | Russia | 11/16/1971 | sheet of 1 type | ||
- | Russia | 12/15/1971 | empty sheet (#1605) | incomplete | |
- | Russia | 12/30/1971 | sheet of 4 types |