Two covers posted 1937 and 1939 from Neus Amari to Lindi, East Africa. Postal rate: 8dr for foreign letter + 1dr charity, 8dr for foreign letter+17dr for air mail+11dr charity. Two different "CONTROL DU CHANGE" tapes, while both stamped "ΝΟΜΟΣ ΡΕΘΥΜΝΗΣ ΕΛΕΓΧΟΣ ΣΥΝ/ΤΟΣ".