| Louis Pierson [Countess de Castiglione in Black Cloak, Head on Hand, Leaning at Studio Window] 1856-1857 Albumen silver print, from glass negative 10.5 x 7 cm (4 1/8 x 2 3/4 ins) (image) Metropolitan Museum of Art Gilman Collection, Gift of The Howard Gilman Foundation, 2005, Accession Number: 2005.100.195 LL/40321
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