Title: Ulva Latissima,Artist: Anna Atkins (British, 1799–1871),Date: Ca. 1853,Medium: Cyanotype,Dimensions: Image: 25.3 X 20 Cm (9 15/16 X 7 7/8 In.),Classification: Photographs,Credit Line: Gilman Collection, Purchase, The Horace W. Goldsmith Foundation Gift, Through Joyce And Robert Menschel, 2005,Object Number: 2005.100.557 (141),Curatorial Department: Photographs. Http://www.metmuseum.org/art/collection/search/291637