The word TAFARI on the bottom line is the divine name of Haile Selassi. The Rastafari religion was formed, in Jamaica, with Selassi, or Ras Tafari, as their messiah.
Google is one smart cookie when it comes to help in identifying stamps. Googling "Messre Tafari" returns dozens of hits relating to the set of stamps in question, and most of those hits refer to Ethiopia.
