Phonons Idea, I. Tamm, 1929 1.75 ₽ — Russia, 2000
Phonons Idea, I. Tamm, 1929 (Russia, 2000), face value 1.75 ₽, “20th Century Science” series. Photo, catalogue value, details and photo identification.
- Series
- 20th Century Science
- Issue date
- 2000
- Face value
- 1.75 ₽
- Colors
- Multicolor
- Print run
- 300,000
- Yvert
- RU 6476
- Michel
- RU 828
- Stanley Gibbons
- RU 6929
- Scott
- RU 6597d