From carolathhabsburg.tumblr.com/tagged/Royalty/page/10; removed spots with Photoshop and monocolor tint. Also posted to the “Early” “Victorian” Album here.
This dress has Russian sleeves, barely visible. Poland was under Russian rule at the time of her marriage in 1782.
Keywords: Princess Marguerite Adélaïde Marie of Orléans, Małgorzata Adelajda Czartoryska, Orléans family, Czartoryski family, Princess, Polish, wavy coiffure, feathered hat, veil, earrings, chemisette, high neckline, lace collar, necklace, crucifix, long under-sleeves, fitted bodice, Russian sleeves, long close over-sleeves, buttons, waist band, natural waistline