现在展示： 瑞士 - 互联网预订引擎 (1944 - 1960) - 11 邮票.
1950
Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION"
1. 二月 窗口管理器: 空缺 筛孔: 11¾
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D1]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D1-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D2]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D2-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D3]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D3-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D4]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D4-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D5]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D5-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D6]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D6-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D7]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D7-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D8]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D8-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D9]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D9-s.jpg)
![[Engineering - Switzerland Stamps of 1949 Overprinted "BUREAU - INTERNATIONAL - D'EDUCATION", 类型 D10]](https://www.stampworld.com/media/catalogue/Switzerland/IBE/D10-s.jpg)
| 号码 | 类型 | 面值 | 颜色 | 描述 |
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| 29 | D | 5(C) | 橙色 | 1.59 | - | 1.59 | - | USD |
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| 30 | D1 | 10(C) | 深橄榄绿色 | 1.59 | - | 2.11 | - | USD |
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| 31 | D2 | 15(C) | 青绿色 | 1.59 | - | 2.11 | - | USD |
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| 32 | D3 | 20(C) | 棕红色 | 4.23 | - | 10.57 | - | USD |
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| 33 | D4 | 25(C) | 红色 | 10.57 | - | 15.86 | - | USD |
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| 34 | D5 | 30(C) | 橄榄褐色 | 10.57 | - | 15.86 | - | USD |
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| 35 | D6 | 35(C) | 赭色 | 8.46 | - | 12.69 | - | USD |
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| 36 | D7 | 40(C) | 蓝色 | 8.46 | - | 12.69 | - | USD |
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| 37 | D8 | 50(C) | 蓝灰色 | 10.57 | - | 12.69 | - | USD |
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| 38 | D9 | 60(C) | 深绿色 | 10.57 | - | 15.86 | - | USD |
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| 39 | D10 | 70(C) | 紫罗兰灰色 | 10.57 | - | 15.86 | - | USD |
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| 29‑39 | 78.77 | - | 117 | - | USD |
