Charles Michael Gallery is a vintage poster gallery based at 1292 Post Road in Darien, Connecticut. The gallery presents an extensive collection of original vintage posters across subjects and eras, with new acquisitions alongside established collections. Its offerings include travel and transportation posters, featuring airlines, destinations across Asia, Australia, Europe, and the Americas, as well as railroads, ships, and travel maps.

Visitors can also explore posters devoted to food and spirits, products and miscellaneous subjects, sports, cycling, and automobiles. Historical collections cover World War I and World War II, military branches, public causes, political themes, propaganda, and Mather work incentive posters. Entertainment-related selections include circus and magic, theater, opera, and movies, while exhibitions and events are represented in dedicated categories.

The gallery also offers framing services and provides information about its collections and contact options. Customers can visit the Darien location, call the gallery, or reach out by email; the business also maintains a Facebook presence