(11) signed slabbed coins including signed by Edmund C Moy (38th Director US Mint) 2017-W first day; signed by Elizabeth Jones (11th Chief Engraver) (3) 2016 30th anniversary lettered edge first day (struck at Philadelphia, Denver and Washington), 2017 first day and 2020; and signed by John M Mercanti (12th Chief Engraver) (3) 2016 30th anniversary lettered edge first day (struck at Philadelphia, Denver and Washington), 2017 first day and 2020