Copenhagen's magnificent red-brick Rådhus (City Hall) rises confidently over a bustling Rådhuspladsen — the city's central square — in this sharp real-photo postcard from the late 1920s or early 1930s, the Danish flag flying proudly from the roofline while trams, motor cars, cyclists, and pedestrians animate the broad plaza below in a scene of interwar urban vitality. Completed in 1905 in National Romantic style with its distinctive 105-metre tower inspired by Siena's Palazzo Pubblico, Copenhagen's City Hall was already an iconic symbol of Danish civic pride when this photograph was taken. Published by Eneret No. 28 (a Danish copyright series number), the card is unused — back clean with only publisher markings — making it a fine, unsentimentalized document of the Danish capital between the wars, appealing to Scandinavian topographic collectors and Copenhagen enthusiasts alike.