Rare Egyptian "no service" to Israel routes: 22-11-1955 surface mailed comm. cv ex DIRE DAWA Ethiopia (no r/a) to district police TIBERIAS , franked 20c & tied by 4 strikes of local pmk: at this time all mail ex Ethiopia was sent only by surface, often by Suez Canal - here sent such, via PORT TAWFIK, where b/s'd 4 DE 55 transit & manuscript-marked in red "No service return to origin" (IM h/s first used in 1956); routed via CAIRO where marked by censor h/s K-Type5 (#73) in red - this rare, and returned - oddly, not opened for inspection and possible reason for m/s crossing out of cachet & pmk; b/s 3-1-56 ADDIS ABABA arr.; rare route with less than 5 cv's known. Orig. corres. enclosed (Ethiopian Jew & Israeli collector re. exchanging stamps); original seller (1980) said retured letter was placed inside another letter (written in Heb.) & resent.