A four vintage decorative beer steins by Avon, likely made of ceramic, featuring different enamel painted relief designs with hinged lids. One depicts scenes of the American military, another shows a cowboy roping a steer, the third depicts gold diggers in the countryside and the fourth showcases a knight on horseback. Each is marked on the bottom. Vintage Collectible American Porcelain And Ceramic Mugs, Beer Steins.