Police have carried out extensive but unsuccessful searches for Amanda and say they have grave concerns for her welfare. The 44-year-old from Darlaston was last seen travelling on a bus in Brownhills on May 30.
She has a mental health condition and is without her medication. She has a history of going missing but only for a few days at a time.
At a police press conference in Birmingham today, her brother Rob, aged 42 and from London, asked for the public's help in tracing Amanda.
He said: "We are all very concerned for her safety, she has never been away from home for such a period of time.
"It has has been such a long time that she has not been in touch with anyone. She can't look after herself. We fear the worst."
Amanda is described as white, 5ft 2in and of a large build, with shoulder-length straight auburn hair, blue eyes and has a local accent.
She is believed to have been wearing a green jacket. Anyone with information should Call Walsall police on 101.
Anyone with information should call Walsall police on 101.