1901-04-20 25th anniversary Аpril uprising
- Year: 1901-04-20
- Notes: format 16x21,5 mm; perf C 12 3/4; sheet 2 wings 10x10;
- MI numbers: 48, 49
- MI catalog quantity / copies: 48-520000, 49-535000
- SC numbers: 53, 54
- LC numbers: 51, 52
- Country: Bulgaria
Published by:
dido