Wednesday, May 1, 1968 Soviet Union, USSR will issue: Stamp "IV Международный конгресс по эфирным маслам" face value 6 к., Stamp "VII Мировая энергетическая конференция" face value 6 к., Stamp "VIII Международный конгресс по обогащению полезных ископаемых" face value 6 к., Stamp "XIII Международный энтомологический конгресс" face value 6 к.,
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | Международное научное сотрудничество |
| Date: | 1968-05-01 |
| Color: | Unknown |
| Print: | Unknown |
| Perforation: | frame 11,5 |
| Emission: | Unknown |
| Format: | Stamp |
| Face Value: | 6 к. Russian kopek |
| Print run: | 4000 |
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | Международное научное сотрудничество |
| Date: | 1968-05-01 |
| Color: | Unknown |
| Print: | Unknown |
| Perforation: | frame 11,5 |
| Emission: | Unknown |
| Format: | Stamp |
| Face Value: | 6 к. Russian kopek |
| Print run: | 4000 |
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | Международное научное сотрудничество |
| Date: | 1968-05-01 |
| Color: | Unknown |
| Print: | Unknown |
| Perforation: | frame 11,5 |
| Emission: | Unknown |
| Format: | Stamp |
| Face Value: | 6 к. Russian kopek |
| Print run: | 4000 |
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | Международное научное сотрудничество |
| Date: | 1968-05-01 |
| Color: | Unknown |
| Print: | Unknown |
| Perforation: | frame 11,5 |
| Emission: | Unknown |
| Format: | Stamp |
| Face Value: | 6 к. Russian kopek |
| Print run: | 4000 |