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| Start / | Collection / |
| 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | Cancellations |
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Collection / Sierra Leone / 1970 |
28.03.1970 Surcharged |
 |
 |
 |
 |
 |
 |
7½ Cent on ½ Cent |
9½ Cent on ½ Cent |
15 Cent on ½ Cent |
28 Cent on ½ Cent |
40 Cent on ½ Cent |
2 Leone on ½ Cent |
22.06.1970 EXPO 1970 in Osaka, Japan |
 |
 |
 |
 |
 |
 |
2 Cent |
3½ Cent |
7½ Cent |
9½ Cent |
10 Cent |
12½ Cent |
 |
 |
 |
 |
 |
 |
15 Cent |
20 Cent |
25 Cent |
45 Cent |
50 Cent |
3 Leone |
03.10.1970 Diamond, Cocoa Bean or Eagles |
 |
 |
 |
 |
1 Cent |
1½ Cent |
2 Cent |
2½ Cent |
 |
 |
 |
 |
3 Cent |
3½ Cent |
4 Cent |
5 Cent |
 |
 |
 |
 |
 |
 |
 |
6 Cent |
7 Cent |
8½ Cent |
9 Cent |
10 Cent |
11½ Cent |
18½ Cent |
 |
 |
 |
7½ Cent |
9½ Cent |
15 Cent |
 |
 |
 |
 |
25 Cent |
50 Cent |
1 Leone |
2 Leone |
30.12.1970 Diamonds from Sierra Leone |
 |
 |
 |
 |
2 Cent |
3½ Cent |
7½ Cent |
9½ Cent |
 |
 |
 |
 |
10 Cent |
12½ Cent |
15 Cent |
25 Cent |
 |
 |
 |
 |
40 Cent |
75 Cent |
1 Leone |
2 Leone |
 |
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