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Postcard used to record the results of an agricultural harvest experiment in Ludhiana in 1964, with handwritten fields for the Ahmedgarh block, the village Jalwana, and a harvest of 3 kilograms and 600 grams. The reverse indicates the recipient's address: the Statistical Adviser of the Agricultural Research Institute in New Delhi, with an Indian 6 annas postage stamp and a Salkot cancellation.