Portuguese Congo issued its first stamp in 1894. The stamps of Angola replaced the stamps of Portuguese Congo. Some examples of Portuguese Congo stamps is as follows:
CONGO
with
PORTUGAL
CONGO
with
CORREIOS PORTUGAL
REPVBLICA PORTVGVESA
with
CONGO
REPUBLICA
Or
REPUBLICA CONGO
(Overprinted with or without value on stamps of Angola, Macao, Portuguese Africa and Timor.)