South Africa 1926 1d Spectacular Misperf Vert & Horiz Block

1926-27 Pretoria Typo's 1d black & carmine (SG 31var). PERFORATED HORIZONTALLY & VERTICALLY THROUGH CENTRE OF STAMPS. Stunning UM top left corner horizontal "block of TWELVE" of Issue 3, variety UHB V37. Spectacular positional multiple for this, scarce piece. See additional image.