264ch - Korba

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Korba Thermal Station, with a delivery marking of an ‘Experimental’ Post Office, N-111A. The prefix of the Experimental PO code suggests that it is located in the old Nagpur Circle which included much of MP, including the parts that are now included in Chattisgarh. 

Note the handstamp is applied to the old Service stamp design of 1958, which was inscribed ’N.P.’ and had been superseded by 1967.