"MIRZAPORE": fair strike of a three-line "MIZAPORE BEARING " (unrecorded by Giles) on reverse of a folded entire letter to Cawnpore, dated inside 1848, endorsed "to await arrival" on front, reverse arrival framed "CAWNPORE BEARING" (Giles-Nr. 13), entire with an intact and exquisite small silver seal; fine and rare combination