Entire letter from Genova, endorsed "Via Brindisi", via "ΚΕΡΚΥΡΑ*30.ΙΟΥΛ.73" and "ΣΥΡΑ*1.ΑΥΓ.73". On arrival to Santorini taxed with 5l. sage-green in strip of 4 + 10l. orange in pair and canc. "ΘΗΡΑ*3.ΑΥΓ.73". Disinfections slits. Signed by D.Spanos. Rare. (Hellas 39a+40a).