Description: The reverse features Johannes Kepler, a key heliocentrism advocate, against a Mars background with meteorites NWA 7397, NWA 6234, and Tindouf 002. Inscriptions include "THE HELIOCENTRIC THEORY II," "1OZ AG .999," and "2017."
Inscription: THE HELIOCENTRIC THEORY II
2017 1 OZ AG 0,999