Sudan – back of the book issues

Army official stamps
 File:Sudan Army off vert.jpg File:Sudan army serv horiz.jpg File:Sudan AS a.jpg|1922 2pi "AS" perfin 

Military telegraph stamps
 File:Sudan telegraph.jpg|1898 10pi complete pair 

Official stamps
 File:Sudan OSGS.jpg 

Postage due
 File:Sudan steamer due.jpg|1927 4m value. 
 * In 1897, Egyptian dues were overprinted with the bilingual "SOUDAN" overprints like the regular issues.
 * Beginning in 1901, country-specific dues were issued on ordinary paper with multiple star and crescent watermark.
 * In 1927-30, the same steamboat design was issued on chalky paper with multiple SG watermark.
 * In 1948, the Arabic inscription was changed.
 * In 1978, two values on Sudanese arms watermark paper were issued.

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