From Wikimedia; size doubled.
Here is another print of Empress Elisabeth based on Angerer's 1860 photos.
Keywords: 1860, Angerer, Elisabeth of Bavaria, Sissi, Sisi, Wittelsbach family, Habsburg family, Empress, Austrian, long straight coiffure, high neckline, long puffed sleeves, cuffs, lace, bows, crinoline, flounces, ruffles, pin, bracelets