*S.Africa Jan. Import Prices Up 2.6% On Year, Fall 0.3% On Month

*S.Africa Jan. Export Prices Down 3.8% On Year, Rise 0.8% On Month

*Pound At 6-week Low Of 1.6578 Against Swiss Franc

Pound Declines To 2-day Low Against Euro

*S.Africa Jan. PPI Up 2.7% On Year, Consensus 0.6%