Ditunjukkan sekarang: Bolivia - Setem-setem bayaran pos (1940 - 1949) - 12 Setem-setem.
31. May WM: Tiada Ukiran: Tall. Offset La Paz Perforasi: 11
![[Airmail Stamps - Panagra Airways, The 10th Anniversary of the First La Paz-Tacna Flight, jenis EK]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EK-s.jpg)
![[Airmail Stamps - Panagra Airways, The 10th Anniversary of the First La Paz-Tacna Flight, jenis EK1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EK1-s.jpg)
![[Airmail Stamps - Panagra Airways, The 10th Anniversary of the First La Paz-Tacna Flight, jenis EK2]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EK2-s.jpg)
![[Airmail Stamps - Panagra Airways, The 10th Anniversary of the First La Paz-Tacna Flight, jenis EK3]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EK3-s.jpg)
![[Airmail Stamps - Panagra Airways, The 10th Anniversary of the First La Paz-Tacna Flight, jenis EK4]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EK4-s.jpg)
15. September WM: Tiada Ukiran: Lito-Unidas La Paz Perforasi: 14 x 13½, 13½ x 14, 13½, 14
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL-s.jpg)
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL1-s.jpg)
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL2]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL2-s.jpg)
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL3]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL3-s.jpg)
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL4]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL4-s.jpg)
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL5]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL5-s.jpg)
![[Airmail Stamps - The 20th Anniversary of the First National Air Service, jenis EL6]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/EL6-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 392 | EL | 20C | pelbagai warna | (200.000) | 0.29 | - | 0.29 | - | USD |
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| 393 | EL1 | 30C | pelbagai warna | (1.500.000) | 0.29 | - | 0.29 | - | USD |
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| 394 | EL2 | 50C | pelbagai warna | (1.000.000) | 0.29 | - | 0.29 | - | USD |
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| 395 | EL3 | 90C | pelbagai warna | (1.000.000) | 0.29 | - | 0.29 | - | USD |
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| 396 | EL4 | 2B | oren/biru | (1.000.000) | 0.29 | - | 0.29 | - | USD |
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| 397 | EL5 | 3B | pelbagai warna | (800.000) | 0.29 | - | 0.29 | - | USD |
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| 398 | EL6 | 4B | pelbagai warna | (400.000) | 0.29 | - | 0.29 | - | USD |
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| 392‑398 | 2.03 | - | 2.03 | - | USD |
