LONDON, Aug 28 (IFR) - The Republic of South Africa will begin marketing its debut sukuk from Sept. 8.The roadshow will begin in London, before heading to Dubai and Abu Dhabi on Sept. 9, Riyadh on Sept. 10 and Qatar on the following day.The roadshow will wrap up on Sept. 12, though the destination is still being decided, according to a lead. A 144A/Reg S dollar sukuk transaction may follow.BNP Par