Entire letter written "εν Θήβαι την 14 Ιουλίου 1850", canc. "ΘΗΒΑΙ*14.ΙΟΥΛ.1850" (type II), via "ΑΘΗΝΑΙ*15.ΙΟΥΛ.1850", arr. "ΠΥΡΑΙΕΥΣ*15.ΙΟΥΛ.1850". On reverse prepaid postage "10" (lepta). "ΘΗΒΑΙ" type II postmark, ONLY THREE KNOWN. Very fine. An item of the greatest rarity.