A great worry coin, gift, or reminder coin. This coin of Mars was created using areographical data from NASA and is areographically correct at 1:214,195,583.59 scale to Mars. Struck in 31.5g of solid copper Expert patina to highlight the engraving 1.25" (3.17 cm) diameter Packaging comes with a description of the coin and Mars Facts! Available as a charm or necklace Mars has been known since ancient times because it is visible to the naked eye. The red planet has captivated our curiosity and become a focal point of space exploration as we seek to answer questions about our solar system. This beautiful coin has been a dream of ours since 2018, and with perseverance, we have finally completed the endeavor! Designed and engraved by Ben Meehan and Woody Maringer. **SAMPLE COIN HAS HOLE**