Stamps of Spanish Guinea, 50c denom
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postage
1902 1902 issue unwmk (no perf info)
| - | 50c | King Alfonso XIII |
1903 1903b issue
| - | 50c | King Alfonso XIII |
1905
| - | 50c | dkbl | King Alfonso XIII |
1906 ovpted on stamp of Elobey, Annobon & Corisco p. 14
| - | 50c | ovpt, King Alfonso XIII |
1907 1907 issue (no perf info)
| - | 50c | King Alfonso XIII |
1909 1909a issue
| X | 50c | dkvio | King Alfonso XIII |
1911 ovpted
| - | 50c | dkvio | ovpt, King Alfonso XIII |
1912 1912 issue
| X | 50c | org | King Alfonso XIII |
1914 1914 issue
| - | 50c | cl | King Alfonso XIII |
1917 ovpted
| - | 50c | org | ovpt, King Alfonso XIII |
1919
| - | 50c | King Alfonso XIII |
1920
| - | 50c | King Alfonso XIII |
1922
| - | 50c | rose | King Alfonso XIII |
1924 1924 issue
| X | 50c | cl & blk | Nipa House |
1929 Seville-Barcelona Exhibition issue ovpted on stamp of Spain p. 14
| - | 50c | org | ovpt |
1931 1931a issue (no perf info)
| X | 50c | drummers |
1931 1931b issue ovpted
| - | 50c | ovpt, drummers |
1933 1933 issue ovpted
| - | 50c | ovpt, drummers |
1934 1934 issue
| - | 50c | porter | — | — |
1940
| - | 50c | Franco |
1940 1940 issue ovpted (no wmk info)
| - | 50c | on type=revenue-75c (0) |
1949, Dec 1 1949 views issue unwmk
| - | 50c | brnorg |
1951, Dec 5
| X | 50c | org | surveyor |
1952, Mar 10
| - | 50c | drummer |
1955, Jun 1
| X | 50c | olgray | priest |
1956, Jun 1 flowers (1956 Spanish Guinea)
| - | 50c | Strophanthus kombe |
airmail
1951, Mar 1 views (1951)
| X | 50c | lilrose |
1955, Jul 1 1955 air issue
| X | 50c | olgray |
semipostal
1926 1926 semi issue ovpted on stamp of Spain (no wmk info)
| - | 50c | on 50c-unissued (0) |
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