"by outride the dak", the reverse showing light but discernible strikes of the framed "BALASORE" and "Bg Pg" (HG 1 and 2) and Calcutta arrival datestamp, variously endorsed in manuscript; flap with minor imperfections. Stated to be the only recorded example of the first marking. The letter, written by a Lieutenant with the 6th Regt. Native Infantry, with fascinating content relating to the surveying of the area. Photo