1858, “Reçu le 1er Avril”, French two-line Bucharest arrival handstamp (Tchilinghirian Type 5, this very mark illustrated), fair strike on an entire letter written in Greek with reverse oval postmark “MOSCOU AVRIL 4”, dated inside 3 April 1858, on front endorsed in crayon “32K(opek)” (correct rate), very fine. A very rare entire