An unusual order insignia necklace

An unusual order insignia necklace, early 20th century composite, the cord suspending a collection of dress miniature badges, variously enamelled and set with gemstones including calibré cut synthetic rubies and circular and rose cut diamonds; representing inter alia the Order of the Crown and the Order of Leopold (Belgium), the Order of Military Merit and the Order of Civil Merit (Spain), and the Papal Order of the Holy Sepulchre, together with a miniature Jerusalem Pilgrim's Cross [13], necklace length 50.5cm, pouch