Colombia
Painting by Alejandro Obregon.
During the 4th Art biennial, 500 works from artists from 35 countries were presented at the Exhibition Centre.
During the 4th Art biennial, 500 works from artists from 35 countries were presented at the Exhibition Centre.
| Country: | Colombia |
| Type: | Postage stamps |
| Series: | Biennial Art Show, Medellin, 4th Ed. |
| Nominal: | 25 $ |
| Year: | 1981 |
| Size: | 50 x 40 mm |
| Perforation: | 12 |
| Mintage: | 500,000 |
Biennial Art Show, Medellin, 4th Ed.
 Square Abstract 0.21$ |  Flowers |  Child with Hobby Horse |