SOUTH AFRICA 1926-37 1d black and carmine error, SG31b695. 00 South Africa 1926 27 1d black and carmine, Pretoria typo printing, block of 4, the left vertical pair ERROR IMPERFORATE THREE SIDES, SG31b. A brilliant mint block of four with large part original gum. A few shortish perforations and the lower pair with suspicion of a gum bend. Regardless of very minor condition issues it remains overall attractive and very fresh. A spectacular example of this rare error. A lovely stamp depicting Dromedaris