Now showing: Philippines - Official stamps (1930 - 1939) - 13 stamps.
1931
Personalities - Postage Stamps of 1917-1931 Overprinted "O.B."
18. May WM: None Perforation: 11
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B1]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B1-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B2]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B2-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B3]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B3-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B4]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B4-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B5]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B5-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B6]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B6-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B8]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B8-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B9]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B9-s.jpg)
![[Personalities - Postage Stamps of 1917-1931 Overprinted "O.B.", type B10]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/B10-s.jpg)
| No. | Type | D | Color | Description |
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| 5 | B | 2C | green | - | 0.26 | 0.26 | - | USD |
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| 6 | B1 | 4C | carmine | - | 0.26 | 0.26 | - | USD |
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| 7 | B2 | 6C | violet | - | 0.26 | 0.26 | - | USD |
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| 8 | B3 | 8C | yellowish brown | - | 0.26 | 0.26 | - | USD |
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| 9 | B4 | 10C | blue | - | 0.26 | 0.26 | - | USD |
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| 10 | B5 | 12C | orange | - | 0.26 | 0.26 | - | USD |
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| 11 | B6 | 16C | olive green | - | 0.26 | 0.26 | - | USD |
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| 11A* | B7 | 16C | yellowish olive | - | 2.10 | 0.26 | - | USD |
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| 12 | B8 | 20C | orange | - | 0.26 | 0.26 | - | USD |
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| 13 | B9 | 26C | green | - | 0.26 | 0.26 | - | USD |
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| 13A* | B10 | 26C | bluish green | - | 1.57 | 1.05 | - | USD |
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| 14 | B11 | 30C | grey | - | 0.26 | 0.26 | - | USD |
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| 5‑14 | Set (* Stamp not included in this set) | - | 2.60 | 2.60 | - | USD |
1931
Special Delivery Stamp of 1919 Overprinted "O.B"
18. May WM: None Perforation: 11
![[Special Delivery Stamp of 1919 Overprinted "O.B", type C]](https://www.stampworld.com/media/catalogue/Philippines/Official-stamps/C-s.jpg)
