Photograph of a three quarter length portrait of Lady Mary Whitley (1924-99) when Lady Mary Cambridge facing left, her head turned towards the camera. She gazes at the viewer and smiles. She wears a diamond tiara, pearl drop earrings, a satin and lace dress and sash featuring a Scottish pin.

The dress she wears is made from one which belonged to the 1st Duchess of Westminster, her great grandmother.