The 20th UPU Congress 1989
Now showing: United States - Airmail stamps - 1989 - The 20th UPU Congress - 4 stamps.
1989
The 20th UPU Congress
27. November WM: None Perforation: 11
![[The 20th UPU Congress, type ]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/0117-b.jpg)
| No. | Type | D | Color | Description |
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| 117 | CQ | 45(C) | multicoloured | (27 mill) | 0.78 | - | 0.52 | 1.04 | USD |
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| 118 | CR | 45(C) | multicoloured | (27 mill) | 0.78 | - | 0.52 | 1.04 | USD |
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| 119 | CS | 45(C) | multicoloured | (27 mill) | 0.78 | - | 0.52 | 1.04 | USD |
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| 120 | CT | 45(C) | multicoloured | (27 mill) | 0.78 | - | 0.52 | 1.04 | USD |
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| 117‑120 | Block of 4 | 4.17 | - | 3.13 | 4.17 | USD | |||||||||||
| 117‑120 | 3.12 | - | 2.08 | 4.16 | USD |
