Olhar o ambiente
By: texto de Pedro Castro Henriques ; fotos de Luís Filipe Cândido de Oliveira.
Contributors: Oliveira, Luís Filipe Cândido de.
Publisher: Correios e Telecomunicações de Portugal
Published: 1986
Place of publication: [Lisbon]
Language: eng
Number of pages: 83
Subjects: Environmental protection.; Environmental protection -- Portugal.; Pollution -- Environmental aspects.; Pollution -- Environmental aspects -- Portugal.; Environmental protection on postage stamps.; Pollution on postage stamps.
Other titles: Look at the environment.
Notes: English and Portuguese.
Cover title: Olhar o ambiente = A look at the environment.
Postage stamps in transparent overlays inserted.