SOUTH AFRICA
1910 Parliament to 1925 Airmail
POSTAGE STAMPS
- 1913-24 King's Heads, SG 3-21
- ½d, SG 3
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| SA911 |
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| green group, wmk. inverted, upper right corner pair showing plate '5' in margin, unusually with upper horizontal margin perforated. Hinged on margin stamps very fine unmounted. SG 3w |
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| £20 |
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