Bidspirit auction | British Commonwealth - South Africa

British Commonwealth - South Africa - 1933-37, two bottom margin se-tenant pairs, Groot Shoor, 3p blue, inverted watermark, left stamp with ''Window'' flaw and Orange Tree, 6p orange and green, type I, left stamp with ''Molehill'' flaw, both with full OG, NH, VF and scarce, SG #45dw, 61b, £310 as hinged, Est. $250-$300, Sc. # 39 var, 59 var