The British Pound declined on Thursday reaching a one-month low versus the 17-nation bloc currency before the U.K. report showed that retail sales in the country dropped in March by 0.6%. Sterling decreased by 0.1% touching 85.57 pence per euro at 8:38 a.m. in London after falling to the lowest since March 15 at 86.37 yesterday, while it was traded at $1.5252.