Stamps of Bhutan, World Refugee Year 1971 issue
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postage
1971, Dec 23 World Refugee Year 1971 issue ovpted unwmk (no perf info)
| - | 5ch | multi | ovpt, flag of Bhutan & UN emblem | .20 | .20 | |
| - | 10ch | multi | ovpt | .20 | .20 | |
| - | 20ch | multi | ovpt | .20 | .20 | |
| - | 3nu | multi | ovpt |
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