Stamps of Vietnam, 20 Mar 1978
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postage
1978, Mar 20 flowers (1978 Vietnam) unwmk p. 11
| X | 5xu | multi | Sun Flower | |||
| - | 6xu | multi | Pansy Cosmos bipinnatus | |||
| X | 10xu | multi | Sunflower Cosmos bipinnatus | |||
| - | 12xu | Pansy Cosmos bipinnatus |
1978, Mar 20 International Children's Day 1977 issue
| X | 12xu | multi | dancing children |
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