Uruguay
Printed in sheets of 25 stamps.
Variety: on fluorescent paper (CI 993a)
Variety: on fluorescent paper (CI 993a)
| Country: | Uruguay |
| Type: | Postage stamps |
| Series: | Invention of Phonography, Cent. |
| Nominal: | 0.50 N$ |
| Year: | 1977 |
| Material: | Medium |
| Perforation: | comb 12 |
| Mintage: | 50,000 |