The British pound appreciated vis-à-vis the U.S. dollar today as cable tested offers around the US$ 1.5380 level and was supported around the $1.5205 level.  Bank of England reported it is considering an extension of the eligible collateral at its discount window.  BoE MPC Fisher said the move would enhance facilities.  Minutes from the March MPC meeting were released today in which policymakers voted unanimously to keep its asset-purchase program unchanged at ?200 billion. Data released in the U.K. today saw the February claimant count decrease to 4.9% from 5.0% in January while the ILO three-month unemployment rate was unchanged at 7.8%.  Bank of England Monetary Policy Committee member Barker this week reported the U.K. economy could recede again, adding the economic recovery will continue to be bumpy and fragile.  Cable bids are cited around the US$ 1.4455 level.  The euro moved lower vis-à-vis the British pound as the single currency tested bids around the US$ 0.8950 level and was capped around the $0.9065 level.