Brazil
| Country: | Brazil |
| Type: | Postage stamps |
| Series: | Fortresses from the colonial period |
| Nominal: | 0.50 Brazilian cruzeiro |
| Year: | 1975 |
| Material: | Couché phosphorecent |
| Size: | 41 x 29 mm |
| Perforation: | 11½ |
| Mintage: | 3,500,000 |
Fortresses from the colonial period
 Fortress of Santa Cruz/RJ 0.16$ |  Fortress of Reis Magos/RN |  Fortress of N.S. Serrat/BA |  Fortress of Nossa Senhora dos Remédios, Fernando de Noronha 0.32$ |