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Postcard used as an agricultural form to record the results of a crop harvest experiment in Ludhiana, India, in 1964-65. The front details the experimental field data, including the farmer's name (Jagir C.), the area (50 m²), the harvest date (17.10.64), and the wet weight of the produce (14 kg / 760 g). The back is addressed to the Statistical Advisor of the Agricultural Research Institute in New Delhi, with an Indian 6 p. postage stamp and a Delhi cancellation.