 |
|||
| This FDC was issued by Finland in 1989 to mark
the 31st International Congress
of Physiological Sciences held in Helsinki. The stamp features an eye and retina.
|
|||
|
|
|||
| This FDC was issued by Finland in 1989 to mark
the 31st International Congress
of Physiological Sciences held in Helsinki. The stamp features an eye and retina.
|
|||
|
