| Postal office: | PRAHA 1 |
|---|---|
| Cancellation color: | BLACK |
| Text on the stamp (first upper line): | PRAHA ** a |
| Text on the stamp (second upper line): | Č.S.P |
| Text on the stamp (first lower line): | |
| Text on the stamp (second lower line): | HOSPODÁŘSKÁ VÝSTAVA |
| Text translation: | |
| Comment: | |
| Offical period of usage: | 1921-05-12/1921-05-17,1922-05-12/1922-05-17,1923-05-12/1923-05-17,1924-05-16/1924-05-21,1925-05-15/1925-05-21,1926-05-12/1926-05-17,1927-05-14/1927-05-22,1928-05-13/1928-05-22,1929-05-13/1929-05-21,1930-05-24/1930-06-02,1931-05-31/1931-06-07,1932-05-14/1932-05-22,1933-05-20/1933-05-25,1934-05-25/1934-05-31,1935-05-09/1935-05-21 |
| Dates the stamp is used | |
|---|---|
| 1934-05-26 | Letter |
| 1934-05-30 | Cutting |
| 1934-05-31 | Letter |