South African rand due to relatively high-quality counterfeit notes in circulation. In 2011, the South African Reserve Bank issued 100-Rand banknotes which were defective because they lacked fluorescent printing visible under UV light. In June, printing of this denomination was moved from the South African Bank Note Company to Crane Currency's Swedish division (Tumba Bruk), which reportedly produced 80 million 100-Rand notes. The South African Reserve Bank shredded 3.6 million 100-Rand banknotes printed by Crane Currency because they had the same serial numbers as a batch printed by the South African Bank Note Company. In addition, the notes printed in Sweden were not
South African rand the end of 2004 was trading under R 5.70 to the dollar. The currency softened somewhat in 2005, and was trading around R 6.35 to the dollar at the end of the year. At the start of 2006, however, the currency resumed its rally, and as of 19 January 2006, was trading under R 6 to the dollar again. However, during the second and third quarters of 2006 (i.e. April through September), the Rand weakened significantly. In sterling terms, it fell from around 9.5p to just over 7p, losing some 25% of its international trade-weighted value in just six months.