Radio is a form of information wireless transmission where information carrier is radio waves freely distributed in space. In May 7, 1895, at a meeting of the Russian Physicochemical Society in St. Petersburg, Russian scientist and inventor, physicist and electrical engineer Alexander S. Popov delivered a comprehensive report and demonstrated the operation of the world's first radio receiver.
The stamp provides an image of a radio set of 1895 from the collection of the A.S. Popov Central Museum of Communications.
| Paper |
Printing method |
Perforation |
Format of the stamp |
Edition |
| Chalk surfaced |
Offset + security system |
Comb 12:12¼ |
30 × 42 mm |
150000 |