South Africa 1913 KGV ½d & 1d Booklet Panes Upright Wmk

1913 KGV BOOKLET PANES: ½d green & 1d rose-red panes UPRIGHT WATERMARKS (SG 3 & 4). F-VF/UM/M panes of six with two shades of the 1d value. Scarce. (3). See additional image below.