Copper Dag token for E. Long Daguerreotype Gallery corner 4th & Market St. St. Louis Mo. In good condition with reed edge. Measures 1.125" in diameter. See photos. Enoch Long was a prominent 19th-century daguerreotypist who operated a well-known portrait and photography studio located on Market Street at the corner of Fourth Street in St. Louis, Missouri, during the 1850s. From the Allen Koenigsberg collection.