The postage stamp depicts the portrait of Pyotr Leonidovich Kapitsa on the background of the drawing there is a “spider” device, which the physicist invented to demonstrate the phenomenon of helium superfluidity discovered by him.
| Printing method |
Paper |
Colors |
Perforation |
Format of the stamp |
Edition |
| Offset + security system |
Chalk surfaced |
Multicolor |
Comb 11¾ |
32,5 × 32,5 mm |
135000 |