SOUTH AFRICA
1933 Voortrekker to 1961 Definitive
1933-48 Hyphenated
SA3784
1937 6d, type I. Block of four upper left stamp showing 'falling ladder' flaw (row 5/10), on cover cancelled 'UPINGTON 7 VII 38' sent registered to Prieska. Punctures at base, very fine and most unusual. SG 61, 61a
£200