This vintage postcard from the Chicago Natural History Museum, formerly known as the Field Museum of Natural History, features the fascinating marine life of a Bahama coral reef. The card highlights Hall O's exhibit showcasing tiger sharks and sting rays along with their attendant 'shark suckers' amid vibrant coral reefs. This educational and visually engaging postcard captures the essence of natural history exhibits from a renowned museum.

The postcard is part of a series (C31) and represents mid-20th century museum souvenir cards. It provides an intriguing glimpse into marine biodiversity and museum display techniques of the era. Collectors of museum memorabilia, natural history artifacts, or marine-themed postcards will find this piece a valuable addition to their collection. Its clear, descriptive text and museum affiliation add to its collectible appeal and historical significance.