1977 Issues of 1955 and 1974 Overprinted "REPUBLICA POPULAR DE"

Stamp 632
MF-s.jpg 20E
multicoloured
Stamp 633
MG-s.jpg 25E
multicoloured
Stamp 634
MH-s.jpg 30E
multicoloured
Stamp 635
MI-s.jpg 50E
multicoloured

1977 Polio Vaccination Campaign

Stamp 636
MJ-s.jpg 2.50Kz
cobalt blue

1977 MPLA Congress

Stamp 637
MK-s.jpg 6Kz
multicoloured