The neck-tie (dark with stripes) that Agatha wears as the legal assistant changes several times during a single scene. The knot may or may present a stripe.
As Agatha arrives at Mabel's room, she inquires about the photograph of the murdered nurse, Florence. A small, framed medal is next to the photo. Later, Mabel stares into the mirror, and the cherished photo is absent.
Agatha is surprised and upset by the search for her. But she could end it just by phoning someone to explain she is on holiday.