· Obverse: above is Ukraine’s small coat of arms, under which is the legend УКРАЇНА (Ukraine); to the right of the coat the coat of arms is the coin’s face value 5/ГРИВЕНЬ (5/hryvnias); in the center is a symbolic wheel of life that marks rebirth of nature: stylized international radioactive sign shrouded in leaves surrounded by animals that are increasing their populations in the 30-kilometer exclusion zone that became a kind of a breeding reserve for black stork, Przewalski’s horse, lynx, bison, moose, and brown bear; there is a circular legend against a smooth background, reading: ЧОРНОБИЛЬСЬКИЙ РАДІАЦІЙНО-ЕКОЛОГІЧНИЙ БІОСФЕРНИЙ ЗАПОВІДНИК (Chornobyl Radiation and Ecological Biosphere Reserve) (to the left) CHORNOBYL RADIATION AND ECOLOGICAL BIOSPHERE RESERVE; below is the coin’s issue year 2023; above is the mint mark of the NBU’s Banknote Printing and Minting Works.