SOUTH AFRICA 1930-47 2d slate-grey and lilac Official, variety,SGO14wSouth Africa 1930 47 2d slate grey and lilac Official, 'SUIDAFRIKA' one word, type O2 overprint, WATERMARK INVERTED, block of 4 with neat Johannesburg circular date stamp dated '2 X 34', SGO14w. A very fine used block of four and most attractive. A scarce variety with only the 1934 printing showing inverted watermark. A beautifully designed stamp depicting the imposing Union Buildings in Pretoria, which form the official seat of the South African