1920-10-24 70th birthday of Ivan Vazov
- Year: 1920-10-24
- MI numbers: 145-150
- More information: format 36x25,5 mm; perf. 11 1/2; sheet 10x10; design S.Badzhov, R. Aleksiev
- MI catalog quantity / copies: 145-2000000, 146-1500000, 147-500000, 148-400000, 149-400000- 150-400000
- SC numbers: 147-152
- LC numbers: 152-157
- Country: Bulgaria
Published by:
dido