Alexander Graham Bell and telephone
10.50 $ 1976
Portugal
1.2 - 1.5$
price on 07.05.2023
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | Centenary of first telephone call by Alexander Graham Bell, |
| Nominal: | 10.50 $ |
| Year: | 1976 |
| Material: | Esmalte Fosforecente |
| Size: | 37 x 22.5 mm |
| Perforation: | comb 12 x 12½ |
| Mintage: | 500,000 |
Centenary of first telephone call by Alexander Graham Bell,
 Telephones 1876 0.32$ |  Alexander Graham Bell and telephone 1.2$ |