Prev: Maximo Kalaw
Next: Maxine Vachier-Lagrave

Maximum Sun-spot Activity

  • Colnect-438-568-Sun%C2%B4s-Corona.jpg
Short desc: Maximum Sun-spot Activity




This design is used by 1 stamp:
Czechoslovakia 3/15/1965 20h issue=1965 space research perf=11.75x11.25