50th anniversary of Architecture and Construction University
90%
| Country: | Bulgaria |
|---|---|
| Issue: | 50th anniversary of Architecture and Construction University |
| Date: | 1992-09-30 |
| Print: | Offset and Lithography |
| Size: | 32.5 x 43 |
| Perforation: | comb 13 |
| Format: | Stamp |
| Face Value: | 1 Bulgarian lev |
| Print run: | 1000000 |