Postage Due
Poland, without gum
1919. POLSKA. Postage due. DOPLATA. 15 halerzy overprinted Porto. No gum.
Poland, without gum
1919. POLSKA. Postage due. DOPLATA. 25 halerzy overprinted Porto. No gum.
Poland, without gum
1919. POLSKA. Postage due. DOPLATA. 50 halerzy overprinted Porto. No gum.
Poland, Hinged
1934. POLSKA. Postage due. DOPLATA 10 gr on 1 zL horizontal laid paper. Hinged.
mICHEL PORTO 81V
Poland, Cancelled
1934. POLSKA. Postage due. DOPLATA 25 GR on 1 zL horizontal laid paper.
MICHEL PORTO 83v
Poland, without gum
1919. POLSKA. Postage due. DOPLATA. 10 halerzy overprinted Porto. No gum.
Poland, without gum
1919. POLSKA. Postage due. DOPLATA. 5 halerzy overprinted Porto. No gum.
Poland, Michel Porto 77 I, Mint never hinged
1924-1926. POLSKA. Postage due. DOPLATA. 2 ZLOTE in never hinged 4-block on thin paper. Beautiful quality.
Poland, Michel Porto 79 I, Mint never hinged
1924-1926. POLSKA. Postage due. DOPLATA. 5 ZLOTYCH in never hinged 4-block on thin paper. Beautiful quality.
Poland, Michel Porto 99, Mint never hinged
1938. POLSKA. Postage due. DOPLATA.1 Zl in never hinged 4-block.
Poland, Michel Porto 92, Mint never hinged
1938. POLSKA. Postage due. DOPLATA. 5 GR. never hinged pair.
Poland, Michel Porto 93, Mint never hinged
1938. POLSKA. Postage due. DOPLATA. 10 GR. never hinged pair.
Poland, Michel Porto 93, Mint never hinged
1938. POLSKA. Postage due. DOPLATA. 15 GR. never hinged pair. Print number 68 in margin.
Poland, Michel Porto 95, Mint never hinged
1938. POLSKA. Postage due. DOPLATA. 20 GR. never hinged pair.
Poland, Michel Porto 96, Mint never hinged
1938. POLSKA. Postage due. DOPLATA. 25 GR. never hinged.
Poland, Michel Porto 98, Mint never hinged
1938. POLSKA. Postage due. DOPLATA. 50 GR. never hinged pair.
Poland, Michel Porto 3, Hinged
1919. POLSKA. Postage due. POCZTA POLSKA on 15 HELLER. Hinged.
Poland, Michel Porto 1, Cancelled
1919. POLSKA. Postage due. POCZTA POLSKA on 5 HELLER. Pair.
Poland, Michel porto 62, Mint never hinged
1924. POLSKA. Postage due. DOPLATA 1 000 000 MK never hinged.
Poland, Michel porto 63, Mint never hinged
1924. POLSKA. Postage due. DOPLATA 2 000 000 MK never hinged.
Poland, Michel porto 64, Mint never hinged
1924. POLSKA. Postage due. DOPLATA 3 000 000 MK never hinged.