SOUTH AFRICA
1910 Parliament to 1925 Airmail
POSTAGE STAMPS  -  1913-24 King's Heads, SG 3-21  -  ½d, SG 3
SA989
green group, wmk. inverted, upper right corner strip of three showing plate '6' in margin. Hinged on margin stamps fine unmounted. Uncommon. SG 3w
£50