South Africa 1942 Bantam 2d Line on Cap Variety in Block

1942 Bantam War Effort 2d Sailor VARIETY "LINE ON CAP" (SG 100d, Issue IV, r11/9). VF/UM/M right marginal block of four, variety on lower left hand stamp. Upper pair shows LARGE SMUDGE / DOCTOR BLADE FLAW. Nice part arrow positional proving block for the varieties.