Posted to Miss Mertens' photostream on flickr on 30 December 2007; sepia tone removed by gogm.
Maria Pia's crinoline is heavily decorated at the hem with what looks like ruching. Strong geometric patterns, ruching, or flounces decorated hems. The pagoda sleeves suggest 1862 or, maybe, 1863.
Keywords: Queen Maria Pia, Queen, Savoy family, Braganza Family, Portuguese, long straight coiffure, high neckline, collar, pagoda sleeves, under-sleeves, crinoline, ruffles