This bronze Wright Brothers 20th Anniversary plaque depicts a relief of the 1903 Wright Flyer and the Barling Bomber with embossed text "20TH ANNIVERSARY WRIGHT BROTHERS FLIGHTS 1903-1923". On the reverse side, engraved text "PRESENTED TO ORVILLE WRIGHT BY THE NATIONAL AERONAUTIC ASSOCIATION AT A MASS MEETING OF DAYTON CITIZENS IN THE NATIONAL CASH REGISTER COMPANY AUDITORIUM DECEMBER 17, 1925 IN COMMEMORATION OF THE FIRST FLIGHT AT KITTY HAWK NORTH CAROLINA DECEMBER 17, 1903".