2016-d National Park Service Modern Commem Half Dollar 50c Graded ms70, Perfection By USCG. The obverse (heads side) design of the 2016 National Park Service features a hiker discovering the majesty of the wilderness and a small child discovering a frog in ferns, celebrating the diversity and breadth of the National Park Service. Inscriptions are "LIBERTY," "NATIONAL PARK SERVICE," "IN GOD WE TRUST," "1916" and "2016." he obverse (heads side) design of the 2016 National Park Service features a hiker discovering the majesty of the wilderness and a small child discovering a frog in ferns, celebrating the diversity and breadth of the National Park Service. Inscriptions are "LIBERTY," "NATIONAL PARK SERVICE," "IN GOD WE TRUST," "1916" and "2016."The reverse (tails) features the National Park Service logo. The inscriptions are "UNITED STATES OF AMERICA," "E PLURIBUS UNUM,"HALF DOLLAR," "STEWARDSHIP" and "RECREATION."