Issue 14. Valid in the Czechoslovak territory from 28.10.1918. Valid in the Czech lands until 20.1.1919, in Slovakia only until 31.12.1918. There is also perforation 13; 13 1/2; 14 and rarely 13 1/2: 12 1/2. After soaking the stamp in water, the underprint will be washed off!
Issue 14. Valid in the Czechoslovak territory from 28.10.1918. Valid in the Czech lands until 20.1.1919, in Slovakia only until 31.12.1918. There is also perforation 13; 13 1/2; 14 and rarely 13 1/2: 12 1/2. After soaking the stamp in water, the underprint will be washed off!
