National Parks Centennial, Mt. McKinley National Park in Alaska

FIRST DAY OF ISSUE HIGHEST MOUNTAIN IN NORTH AMERICA Mt. McKinley NATIONAL PARK IN ALASKA A NATURAL AREA Art Creft MC ANIM CONC PARK, JUL 28 1972 99755 AK National Parks Centennial Mount McKinley Alaska Z US 15c FIRST DAY OF ISSUE Judson Lindsay 4314 N. Nelson D Peoria See.