Entire letter canc. "ΖΑΚΥΝΘΟΣ*21.ΜΑΡΤ.1856", prepaid postage rate "3" (d), via "ΠΥΡΑΙΕΥΣ*23.ΜΑΡΤ.1856", arr. "ΑΘΗΝΑΙ*23.ΜΑΡΤ.1856". Postage to be paid "10" (lepta). Very fine.