Calcutta Zoo Hippo East Indian RailwayOriginal vintage Asia travel poster issued by the East Indian Railway (1845 1952) See the Calcutta Zoo featuring a great design by Kay Nixon (Kathleen Irene Nixon; 1895 1988) of a mother hippopotamus with her mouth wide open in the water next to a baby hippo calf framed in a blue line, a row of nine penguins against a blue background below and the title text in bold black lettering on the yellow border with the East Indian Railway heritage crest and a