8p blue & brown 'Darfur Chief' issue with 'SCHOOL' overprint in black on each stamp for use in the Post master training school in Omdurman. A fine mint marginal block of four. (SG 136)
8p blue & brown 'Darfur Chief' issue with 'SCHOOL' overprint in black on each stamp for use in the Post master training school in Omdurman. A fine mint marginal block of four. (SG 136)