Entire letter fr. with 30kop Russian stamp canc. "TAGANROG*25.DEC.1865" and circular "FRANCO" to Syros. Endorsed "Via Odessa" (route via Odessa and Constantinople) and marked "80", fr. on arrival with 80l carmine canc. "ΣΥΡΟΣ*8.ΙΑΝ.66". Signed Tseriotis. Very fine and rare. (Hellas 22b).