ECUADOR
1961 ##680-683
1964 ##711-713 (perhaps this set is identical to the preceeding but with different background)
1970 ##789-796, ##797-804 (identical but with white background) ##461-462 air, ##463-464 air (identical but with            white background)
1993 (#1312)
1997 ##1430-1434

ETHIOPIA
1967 ##476-480
1975 ##720-724
1983 ##1080-1083
1993 ##1357-1360
ERITREA
1997 ##286-289, 2ss##292-292, ##290-291 (2 sets of 9)