United Kingdom
0.41 - 0.49$
price on 14.11.2022
Two phosphor bands
75th Anniversary of Marconi and Kemp's Radio Experiment
75th Anniversary of Marconi and Kemp's Radio Experiment
| Country: | United Kingdom |
| Type: | Postage stamps |
| Series: | Broadcasting Anniversaries |
| Nominal: | 9 p |
| Year: | 1972 |
| Material: | Fluorescent Coated with phosphor bands |
| Size: | 41 x 30 mm |
| Perforation: | comb 14¾ x 14¼ |
| Mintage: | 5,364,800 |
Broadcasting Anniversaries
 50 years BBC, 1924-69 0.11$ |  Horn Loudspeaker 0.09$ |  T.V. Camera 1972 0.19$ |  Marconi/Kemp Experiments 1897 0.41$ |