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postage
1975, May 15 1975 issue - technology (1975) unwmk p. 14
| X | 500 | ind | radio telescope |
1986, Nov 18 famous women issue - famous women
| X | 500 | multi | Alice Salomon |
1987, Nov 6 1987 issue - tourist attractions
| X | 500 | multi | — | — |
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