Brazil
0.85 - 1$
price on 25.02.2023
Schematic Cutting of Dome and Telescope
| Country: | Brazil |
| Type: | Postage stamps |
| Series: | Science and Technology |
| Nominal: | 1.30 Brazilian cruzeiro |
| Year: | 1977 |
| Material: | Couché phosphorecent |
| Size: | 38 x 38 mm |
| Perforation: | comb 11½ |
| Mintage: | 2,000,000 |
Science and Technology
 National Observatory - RJ 0.85$ |  XX International Agency of Atomic Energy Summit 0.26$ |  Guanabara Bay 1.7$ |  Guanabara Bay 0.37$ |