Portugal
0.13 - 0.16$
price on 07.05.2023
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | Fight Against Noise Pollution |
| Nominal: | 4 $ |
| Year: | 1979 |
| Material: | Esmalte Fosforecente |
| Perforation: | comb 13½ |
| Mintage: | 1,000,000 |
Fight Against Noise Pollution
 Automobile traffic 0.13$ |  Pneumatic drill 0.1$ |  Man with bull horn 0.9$ |