Postage Due Stamps
![Denmark 1934](/image/25843/base250X250/denmark-1934-feriemaerker-ferie-on-1-kr-postage-due-stamp-in-an-untill-now.jpg)
Denmark, without gum
1934. FERIEMÆRKER. FERIE on 1 Kr. postage due stamp in an untill now unknown colour.. Proof? Very rare.
![Denmark 1921](/image/23747/base250X250/denmark-1921-postage-due-porto-5-oere-brown-specimen-scarce.jpg)
Denmark, Michel P11, without gum
1921. Postage Due. Porto. 5 Øre brown SPECIMEN. Scarce.
Afa P11
L12
![Denmark 1934](/image/25839/base250X250/denmark-1934-feriemaerker-ferie-on-15-oere-postage-due-stamp-very-unusual.jpg)
Denmark, without gum
1934. FERIEMÆRKER. FERIE on 15 øre postage due stamp. Very unusual.
![Denmark 1921](/image/20347/base250X250/denmark-1921-postage-due-porto-chr-x-10-oere-red.jpg)
Denmark, Michel P4, Mint never hinged
1921. Postage Due. Porto. Chr. X. 10 Øre red
Afa P4
L5
![Denmark 1865](/image/36823/base250X250/denmark-1865-large-oval-type-4-skilling-bright-red-perf-13x12-one-half-cancelled.jpg)
Denmark, Michel 13Aa, Cover
1865. Large Oval Type. 4 Skilling bright red. Perf. 13x12½ Cancelled 1 KJØBENHAVN 21 7 + KIØBENHAVN 20 7 8-9A to Fredensborg Utilstræklig Frankeret.
Scott 13
Afa 13
![Portugal 1967](/image/28871/base250X250/portugal-1967-coimbra-25-jul-1967-plus-kgl-post-080-oere-porto-reklame-fabrica.jpg)
Portugal, Cover
1967. COIMBRA 25 JUL 1967. + KGL. POST 080 ØRE PORTO. Reklame. FABRICA DE BATERIAS.
![Denmark 1921](/image/16306/base250X250/denmark-1921-postage-due-porto-chr-x-6x-50-oere-wine-red-black-luksus.jpg)
Denmark, Michel P7, Mint never hinged
1921. Postage Due. Porto. Chr. X. 6x 50 Øre wine red/black. LUKSUS.
Afa P7
L8
![Denmark 1934](/image/25837/base250X250/denmark-1934-feriemaerker-ferie-on-5-oere-postage-due-stamp-very-unusual.jpg)
Denmark, without gum
1934. FERIEMÆRKER. FERIE on 5 øre postage due stamp. Very unusual.
![Denmark 1921](/image/21687/base250X250/denmark-1921-postage-due-porto-1-kr-blue.jpg)
Denmark, Michel P17, Mint never hinged
1921. Postage Due. Porto. 1 Kr. blue
Afa P15
L23
![Denmark 1934](/image/25840/base250X250/denmark-1934-feriemaerker-ferie-on-25-oere-postage-due-stamp-very-unusual.jpg)
Denmark, without gum
1934. FERIEMÆRKER. FERIE on 25 øre postage due stamp. Very unusual.
![Denmark 1970](/image/30093/base250X250/denmark-1970-adressekort-franko-mangler-500-oere-plus-koebenhavn-postbanegaarden.jpg)
Denmark, Document
1970. Adressekort. Franko mangler 500 øre. + KØBENHAVN POSTBANEGÅRDEN 28.5.70.
![Denmark 1934](/image/25841/base250X250/denmark-1934-feriemaerker-ferie-on-1-kr-postage-due-stamp-very-unusual.jpg)
Denmark, without gum
1934. FERIEMÆRKER. FERIE on 1 Kr. postage due stamp. Very unusual.
![Denmark 1921](/image/34408/base250X250/denmark-1921-postage-due-porto-soldierstamp-10-oere-red.jpg)
Denmark, Michel P8, Cancelled
1921. Postage Due. Porto. Soldierstamp 10 Øre red
Afa P8
L9
![Denmark 1934](/image/25838/base250X250/denmark-1934-feriemaerker-ferie-on-10-oere-postage-due-stamp-very-unusual.jpg)
Denmark, without gum
1934. FERIEMÆRKER. FERIE on 10 øre postage due stamp. Very unusual.