You need to set the price as high as possible to sell otherwise unsellable stuff. Caviar, escargots, oysters....
Oysters were the universal snack food in nineteenth century America.
Upmarket you'd find handsomely decorated and now very collectable plates and utensils. The Art of Oyster Plate Collecting
Unlike in Europe, oyster consumption in North America after colonization by Europeans was never confined to class, and oysters were commonly served in taverns. During the early 1800s, express wagons filled with oysters crossed the Allegheny Mountains to reach the American Midwest. The oldest oyster bar in the United States is Union Oyster House in Boston, which opened in 1826. It features oyster shucking in front of the customer, and patrons may make their own oyster sauces from condiments on the tables. It has served as a model for many oyster bars in the United States.
By 1850, nearly every major town in North America had oyster bar, oyster cellar, oyster parlor, or oyster saloon --- almost always located in the basement of the establishment (where keeping ice was easier). Oysters and bars often went hand-in-hand in the United States, because oysters were seen as a cheap food to serve alongside beer and liquor.
By the late 1880s, an "oyster craze" had swept the United States, and oyster bars were prominent gathering places in Boston, Chicago, Cincinnati, Denver, Lousiville, New York City, and St. Louis. An 1881 U.S. government fisheries study counted 379 oyster houses in the Philadelphia city directory alone...
Oyster bar