Colombia
The inscription says "100 years Aqueduct and Sewer Company of Bogotá"
| Country: | Colombia |
| Type: | Postage stamps |
| Series: | Hydroelectric plant of Bogotá, Cent. |
| Nominal: | 100 $ |
| Year: | 1988 |
| Size: | 30 x 40 mm |
| Perforation: | 12 |
| Mintage: | 400,000 |