Postage Due
![Czechoslovakia 1919](/image/148741/base250X250/czechoslovakia-1919-ceskoslovensko-postage-due-doplatit-500-heller-never-hinged.jpg)
Czechoslovakia, Michel Porto 12, Mint never hinged
1919. CESKOSLOVENSKO. Postage due. DOPLATIT. 500 Heller. Never hinged.
![Czechoslovakia 1919](/image/148742/base250X250/czechoslovakia-1919-ceskoslovensko-postage-due-doplatit-500-heller.jpg)
Czechoslovakia, Michel Porto 12, Cancelled
1919. CESKOSLOVENSKO. Postage due. DOPLATIT. 500 Heller.
![Czechoslovakia 1919](/image/148743/base250X250/czechoslovakia-1919-ceskoslovensko-postage-due-doplatit-1000-heller-never-hinged.jpg)
Czechoslovakia, Michel Porto 13, Mint never hinged
1919. CESKOSLOVENSKO. Postage due. DOPLATIT. 1000 Heller. Never hinged.
![Czechoslovakia 1919](/image/148744/base250X250/czechoslovakia-1919-ceskoslovensko-postage-due-doplatit-1000-heller.jpg)
Czechoslovakia, Michel Porto 13, Cancelled
1919. CESKOSLOVENSKO. Postage due. DOPLATIT. 1000 Heller.
![Czechoslovakia 1923](/image/148745/base250X250/czechoslovakia-1923-ceskoslovensko-postage-due-doplatit-10-heller-on-3-h.jpg)
Czechoslovakia, Michel Porto 20, Cancelled
1923. CESKOSLOVENSKO. Postage due. DOPLATIT. 10 Heller on 3 H. Hradschin.
![Czechoslovakia 1922](/image/148746/base250X250/czechoslovakia-1922-ceskoslovensko-postage-due-doplatit-50-heller-on-75-h.jpg)
Czechoslovakia, Michel Porto 16, Cancelled
1922. CESKOSLOVENSKO. Postage due. DOPLATIT. 50 Heller on 75 H. Hradschin.
![Czechoslovakia 1923](/image/148747/base250X250/czechoslovakia-1923-ceskoslovensko-postage-due-doplatit-100-heller-on-120-h.jpg)
Czechoslovakia, Michel Porto 24, Cancelled
1923. CESKOSLOVENSKO. Postage due. DOPLATIT. 100 Heller on 120 H. Hradschin.
![Czechoslovakia 1926](/image/148748/base250X250/czechoslovakia-1926-ceskoslovensko-postage-due-doplatit-50-heller-on-300-h.jpg)
Czechoslovakia, Michel Porto 44, Cancelled
1926. CESKOSLOVENSKO. Postage due. DOPLATIT. 50 Heller on 300 H. Algorie.
![Czechoslovakia 1926](/image/148749/base250X250/czechoslovakia-1926-ceskoslovensko-postage-due-doplatit-60-heller-on-400-h.jpg)
Czechoslovakia, Michel Porto 45, Cancelled
1926. CESKOSLOVENSKO. Postage due. DOPLATIT. 60 Heller on 400 H. Algorie.
![Czechoslovakia 1924](/image/148750/base250X250/czechoslovakia-1924-ceskoslovensko-postage-due-doplatit-50-on-400-h.jpg)
Czechoslovakia, Michel Porto 25, Cancelled
1924. CESKOSLOVENSKO. Postage due. DOPLATIT. 50 on 400 H.
![Czechoslovakia 1924](/image/148751/base250X250/czechoslovakia-1924-ceskoslovensko-postage-due-doplatit-100-on-400-h.jpg)
Czechoslovakia, Michel Porto 27, Cancelled
1924. CESKOSLOVENSKO. Postage due. DOPLATIT. 100 on 400 H.
![Czechoslovakia 1924](/image/148752/base250X250/czechoslovakia-1925-ceskoslovensko-postage-due-doplatit-100-on-250-h.jpg)
Czechoslovakia, Michel Porto 34, Cancelled
1925. CESKOSLOVENSKO. Postage due. DOPLATIT. 100 on 250 H.