Angola stamps 1977

Angola, 1977: the 4 stamps issued that year, with photos, face values, catalogue values and details.

• III Congress of the MPLA — 6 Kz
• Vaccination Campaign Against Polio — 2.50 Kz
• Map of Angola overprinted "REPUBLICA POPULAR DE" — 20 $
• Trigonal Hairy Triton (Cymatium trigonum) — 25 $