Entire letter canc. "ΣΥΡΟΣ*5.ΜΑΙΟΣ.1855" to Merseille. "T.A." (Transite Autricienne) in red and 2-line "VIA DEGLI STATI SARDI", French postmark "AUT. 2 BRIANCON*28.MAI.55", via "GAP*28.MAI.56", arrival pstmark illegible. Rate markings on reverse while on front "12" (decimes) to be collected upon arrival.