14th Congress of International Union of Architects.
93%
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | International Congresses and Assemblies |
| Date: | 1981-05-12 |
| Print: | Photogravure |
| Size: | 28 x 40 |
| Perforation: | frame 11½ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 15 Russian kopek |
| Print run: | 3000000 |