From eBay; spots in background removed with Photoshop and sepia tone removed by gogm.
María Cristina's dress shows leg-o-mutton sleeves (under epaulettes) of the 1890s and probably the shallow vee waistline of the early 1900s.
Keywords: 1898, Gomez, María Cristina Habsburg, Archduchess, Queen, Habsburg family, Borbón family, Spanish, curly coiffure, high enclosing neckline, ruff, jacket bodice, lapels, epaulettes, long leg-o-mutton sleeves, cuffs, shallow-vee waistline, A-line skirt