The product is a single original postcard featuring the Prater amusement park in Vienna, Austria. Manufactured in 1920s by B. K. W. I., the postcard is a piece of topographical history from the White Border era. Measuring a standard 5.5 x 3.5 inches with a divided back, this vintage postcard captures a moment in time from the early 20th century, making it a unique and valuable collectible item for those interested in famous places and cities & towns.