POSTCARD - CHICAGO - "AMERICAN INDIAN EQUESTRIAN STATUE" - SCULPTOR IVAN MESTROVIC - ERECTED IN GRANT PARK - THERE ARE TWO OF THESE HUGE AND STRIKING STATUES - A BOWMAN AND A SPEARMAN FACING EACH OTHER AT A DISTANCE IN CONGRESS PLAZA IN GRANT PARK ON MICHIGAN AVE - PART OF A SERIES ON ARTWORKS BY THE ART INSTITUTE - c1920