This original & vintage postcard is in very good condition with slight wear. This postcard features a colorful view of the "Chicago Transit Authority 4412 & 4410 Were Built In 1924 By The Cincinnati Car Company For The Chicago Rapid Transit Company. These Cars Were The Backbone Of Chicago's Subway Lines Until The Advent Of The 6000-Class Cars". The reverse side is unused. This postcard measure approx. 5 1/2" x 3 1/2".