|
| 141 |  | 0.16$ International Folk Song and Dance Festival, Straznice1 pc 30 h 1976  Czechoslovakia |
| 142 |  | 0.14$ Happy New Year, 19771 pc 4 k 1976  USSR |
| 143 |  | 0.08$ 50th Anniversary of Czechoslovak Radio Symphony Orchestra1 pc 20 h 1976 Czechoslovakia |
| 144 |  | 0.05$ Water Pollution1 pc 60 fi 1975  Hungary |
| 145 |  | 0.12$ Soil Pollution1 pc 1 Ft 1975 Hungary |
| 146 |  | 0.03$ Ocean pollution1 pc 40 fi 1975 Hungary |
| 147 |  | 0.09$ Villagers and Flowers1 pc 1.20 Kčs 1975 Czechoslovakia |
| 148 |  | 0.04$ River Pollution1 pc 80 fi 1975 Hungary |
| 149 |  | 0.14$ Michi Orion, Slaný (1903)1 pc 1.20 Kčs 1975 Czechoslovakia |
| 150 |  | 0.03$ T.V. 12M minibus1 pc 20 Romanian ban 1975  Romania |
| 151 |  | 0.05$ Sputnik 21 pc 40 fi 1975 Hungary |
| 152 |  | 0.03$ Dr. Schweitzer and a patient1 pc 60 fi 1975 Hungary |
| 153 |  | 0.07$ Gustav Husák (1913-1991), President1 pc 30 h 1975 Czechoslovakia |
| 154 |  | 0.07$ Hero on Horseback, Val Muntenau1 pc 40 h 1975 Czechoslovakia |
| 155 |  | 0.1$ 9th International Irrigation Congress, Moscow1 pc 6 k 1975 USSR |
| 156 |  | 0.1$ 90th Birth Anniversary of Ya.M. Sverdlov (1885-1919)1 pc 4 k 1975 USSR |
| 157 |  | 0.1$ 80th Birth Anniversary of A.L. Mints (1895-1974)1 pc 4 k 1975 USSR |
| 158 |  | 0.08$ 50th Anniversary of Karakalpak ASSR1 pc 4 k 1975 USSR |
Cuba| 160 |  | 1 pc Post horn20 h 1974 Czechoslovakia |
Piece: 601
Total: 92$+