Upgrade image posted 8 August 2018 from eBay; conspicuous spots removed with Photoshop and monocolor tint removed.
María Cristina is probably wearing the same dress and corsage seen in the last image. Her bodice has a pleated yoke not visible in the last image.
Keywords: 1880, Mouton, María Cristina Habsburg, Maria Christina Henriette Desideria Felicitas Raineria, Maria Christina von Österreich, Erzherzogin von Österreich, María Cristina de Habsburgo-Lorena, María Cristina de Austria, reina de España, regente de España, Archduchess, Queen, Habsburg family, Borbón family, curly coiffure, tiara, earrings, draped necklace, fitted bodice, modesty piece, off shoulder vee neckline, pleated bertha, order sash, floral bodice ornament, quarter length close sleeves, ruched arm bands, contrasting cuffs