Portugal
1.2 - 1.4$
price on 07.05.2023
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | 1900th anniversary Chaves (Aquae Flaviae) |
| Nominal: | 20 $ |
| Year: | 1978 |
| Material: | Esmalte |
| Perforation: | comb 13½ |
| Mintage: | 500,000 |
1900th anniversary Chaves (Aquae Flaviae)
 Trajan´s bridge 0.09$ |  Roman tablet from bridge 1.2$ |