| Louis Pierson [Countess de Castiglione] 1863-1866 Albumen silver print, from glass negative 27.8 x 20.9 cm (10 15/16 x 8 1/4 ins) (image) Metropolitan Museum of Art Gilman Collection, Gift of The Howard Gilman Foundation, 2005, Accession Number: 2005.100.200 LL/40322
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