From eBay; spots removed with Photoshop and sepia tone removed by gogm.
This photo gives a good view of Alexandra's crinoline skirt and shows she wears a hair net.
Keywords: 1862, Mayall, Queen Alexandra, Alexandra of Denmark, Alexandra af Danmark, Alexandra Carolina Marie Charlotte Louise Julia, prinsesse af Danmark, Princess of Wales, Queen of the United Kingdom, Glucksberg family, Welf family, Wettin family, Princess, Queen, British, straight coiffure, chignon, hair net, earrings, chemisette, collar, high neckline, pin, fitted bodice, three quarter length pagoda sleeves, under-sleeves, cuffs, crinoline, passementerie