20th Anniversary of Czechoslovak Television Service
30 h 1973
Czechoslovakia
0.08 - 0.1$
price on 18.02.2023
TV colour chart.
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | Communications Anniversaries |
| Nominal: | 30 h |
| Year: | 1973 |
| Size: | 34 x 27 mm |
| Perforation: | comb 11½ x 11¼ |
| Mintage: | 11,590,000 |
Communications Anniversaries
 50th Anniversary of Czech Broadcasting 0.09$ |  20th Anniversary of Czechoslovak Television Service 0.08$ |  20th Anniversary of Nationwide Telephone System 0.17$ |