Now showing: South Australia - Official stamps (1874 - 1879) - 9 stamps.
1876 -1885
Issue of 1876/1891 Overprinted " O. S."
WM: 3 Perforation: 10-12½
![[Issue of 1876/1891 Overprinted " O. S.", type A9]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A9-s.jpg)
![[Issue of 1876/1891 Overprinted " O. S.", type A11]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A11-s.jpg)
![[Issue of 1876/1891 Overprinted " O. S.", type A12]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A12-s.jpg)
![[Issue of 1876/1891 Overprinted " O. S.", type A14]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A14-s.jpg)
![[Issue of 1876/1891 Overprinted " O. S.", type A15]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A15-s.jpg)
| No. | Type | D | Color | Description |
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| 10 | A9 | 4P | purple | - | 56.75 | 3.40 | - | USD |
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| 10a* | A10 | 4P | violet | - | 90.80 | 11.35 | - | USD |
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| 11 | A11 | 6P | blue | - | 90.80 | 6.81 | - | USD |
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| 11a* | A12 | 6P | ultramarine | - | 90.80 | 6.81 | - | USD |
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| 12 | A13 | 8/9P | reddish brown | - | 2,270 | 908 | - | USD |
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| 13 | A14 | 1Sh | brown | - | 68.10 | 13.62 | - | USD |
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| 14 | A15 | 2Sh | carmine | - | 141 | 11.35 | - | USD |
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| 10‑14 | Set (* Stamp not included in this set) | - | 2,627 | 943 | - | USD |
1876
Postage Stamps Overprinted "O.S."
WM: 4 Perforation: 10
![[Postage Stamps Overprinted "O.S.", type A16]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A16-s.jpg)
![[Postage Stamps Overprinted "O.S.", type A17]](https://www.stampworld.com/media/catalogue/South-Australia/Official-stamps/A17-s.jpg)
