SOUTH AFRICA
1910 Parliament to 1925 Airmail
POSTAGE STAMPS
- 1913-24 King's Heads, SG 3-21
- 6d, SG 11
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| SA638 |
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| black and purple shade, wmk. inverted. Lower right corner block of six showing plate '1' in margin. Hinged on margin stamps fine unmounted. Scarce. SG 11aw shade |
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| £150 |
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