Cook Islands 2009 $5 Meteorite Impacts 400th Anniversary of The Observation of Mars Silver Antiqued Coin

This copper plated coin features an original piece of a Mars meteorite. A Mars (Martian) meteorite is a meteorite that is known to have originated on the planet Mars. Martian origin is established by the isotopic profile, and the congruence of the entrapped noble gases and the mineralogical composition with the data from the Viking lander and the rover Opportunity obtained on the surface of planet Mars.