Sylvia, is from Reading but has links to Slough and London, was last seen on September 9. She has been described as approximately 5'7, slim build, with brown eyes. She was last seen wearing black leather trousers and a blue denim jacket. Thames Valley Police said: “We are concerned for Sylvia's welfare. “If you see her, or know of her whereabouts, please contact us via 101, quoting ref.