Stamps of Thailand, 5 Oct 1975
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postage
1975, Oct 5 International Letter Writing Week 1975 issue wmk. interlocking circles
| - | 75s | multi | Pataya beach, p. 12.5 | |||
| - | 2b | multi | Samila beach | |||
| - | 3b | multi | Prachuap Bay | |||
| - | 5b | multi | Laem Singha bay |
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