We have discussed these before and I don't think we ever resolved them. Another look at the necklace, though I think the detail at bottom centre is slightly different. And that looks to me like the Queen Adelaide Fringe Necklace worn as tiara.
--Previous Message-- : A major frustration with Queen's diamonds is : that not all pieces of jewellery that are : worn in a photo are named. : : Ok - so having got that off my chest : ......... : does anyone know what the bandeau and : 'fringe' necklace are that Queen Mary is : wearing on this picture from page 162 ? : : :