Issued in 1959 by Magyar Posta, this striking three-stamp set celebrates the International Geophysical Year (1957–1958), a global scientific collaboration that advanced understanding of Earth and space sciences. The 10f red stamp illustrates gravimetry with a surveying instrument before a stylized globe. The 20f blue stamp depicts oceanographic research, showing a ship conducting underwater measurements. The 30f dark olive and orange stamp portrays the aurora borealis above polar landscapes, symbolizing atmospheric and polar studies. Designed by Ádám Czeglédi, these stamps reflect Hungary’s participation in a pivotal era of scientific exploration.