L'histoire postale du Pas-de-Calais

  ·   Ceres · 10 C.  (1850 - Y&T #1, Sc. #1) -  Bister  on Yellowish , Dark Bister  on Yellowish , Greenish Bister. · 15 C.  (1850 - Y&T #2, Sc. #2) -  Green  on Greenish , Yellow Green  on Greenish . · 20 C.  (1849 - Y&T #3, Sc. #3) -  Black  on Yellowish , Black  on Buff , Black. · 25 C.  (1850 - Y&T #4, Sc. #6) -  Light Blue  on Bluish , Blue  on Bluish , Blue  on Yellowish . · 40 C.  (1850 - Type 1 - Y&T #5, Sc. #7) -  Orange  on Yellowish , Orange Vermilion  on Yellowish . · 40 C.  (1850 - Type 2 - Y&T #5e, Sc. #7b) -  Orange  on Yellowish . · 01 F.  (1849 - Y&T #6, Sc. #9) -  Light Carmine, Brown Carmine, Dark Carmine  on Yellowish . · 01 F.  (1849 - Y&T #7, Sc. #8) -  Vermilion  on Yellowish , Dull Orange Red. ·   20 C.  (1850 - Y&T #8, Sc. #4) -  Dark Blue, Blue  on Bluish , Blue  on Yellowish . ·   25 C. on 20 C.  (1850 - Y&T #8A, Sc. N/L) -  Blue. ·   Presidence ·   10 C.  (1852 - Y&T #9, Sc. #10)  -