Stamps, Echegaray, Mistral, Rayleigh design
1 to 2 of 2
Sweden
postage1964, Dec 10 Nobel Laureates in 1904 issue unwmk
| - | 30o | bl | Echegaray, Mistral, Rayleigh, p. *v | |||
| X | 30o | bl | Echegaray, Mistral, Rayleigh, p. *s3 | — | — |
1 to 2 of 2
| - | 30o | bl | Echegaray, Mistral, Rayleigh, p. *v | |||
| X | 30o | bl | Echegaray, Mistral, Rayleigh, p. *s3 | — | — |