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View of the factory of La Compagnie des Eaux in Neuilly-sur-Marne, with two chimneys emitting smoke and the river in the foreground. Reverse: handwritten text addressed to Madame Doyen in Crouy-sur-Ouzy, orange 1915 postmark, Neuilly-sur-Marne postmark of 23 April 1915, and an internal service stamp.