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| Start / | Collections / | Thematic Collections / | Postage Stamp on Postage Stamp / |
| Ras al Khaima | Russia | Ryukyus | Saudi Arabia | Sharjah | Singapore | Sri Lanka | South Korea | South Yemen | Syria |
| Taiwan | Thailand | Timor | Turkey | Umm al Qiwain | United Arab Emirates | U S S R | Vietnam | Yemen (Kingdom) | |
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Collection / Thematic Collections / |
25.12.1968 International Stamp Exhibition EFIMEX ´68 |
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With Perforation |
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Yemen (Kingdom) |
Yemen (Kingdom) |
Yemen (Kingdom) |
Yemen (Kingdom) |
Yemen (Kingdom) |
Without Separation |
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Yemen (Kingdom) |
Yemen (Kingdom) |
Yemen (Kingdom) |
Yemen (Kingdom) |
Yemen (Kingdom) |
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Yemen (Kingdom) |
Yemen (Kingdom) |
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