SOUTH AFRICA
1910 Parliament to 1925 Airmail
POSTAGE STAMPS  -  1913-24 King's Heads, SG 3-21  -  1/3, SG 13
SA535
violet group, blocks of four from each corner of the sheet, each showing plate '1' in margins. Odd minor marginal creasing, very fine mint or unmounted. An uncommon group. SG 13
£275