This was posted on eBay dated ca. 1909. Wikimedia has an image of the top, bust, portion of this image in a 1909 graphic.
Upgrade image posted 23 October 2016 from eBay; spots and flaws removed with Photoshop and monocolor tint removed.
Elena's dress lacks a blouson bodice, but retains a shallow vee waistline in this photo suggesting turn of the last century. Her dress has a simple skirt decorated with wavy lines of beads or sequins.
Keywords: Queen Elena, Elena del Montenegro, regina d’Italia, Elena of Montenegro, Jela, Montenegro family, Savoia family, Princess, Queen, Italian, curly coiffure, tiara, bun, sweetheart neckline, modesty piece, bertha, lace, quarter length sleeves, waist band, shallow vee waistline, A-line skirt, choker necklace, necklace, brooch, gloves