Legality of Cannabis by U.S. Jurisdiction Currencies of the late 18th century to present. For 19th to 20th century coinage that is no longer circulating, see the preceding: Category:Modern obsolete currencies See also the preceding Category:Early Modern currencies Subcategories This category has the following 5 subcategories, out of 5 total. Currencies by decade of introduction (20 C) Currencies by year of introduction (131 C)A Alternative currencies (4 C, 31 P)C Circulating currencies (192 P)O Modern obsolete currencies (17 C, 467 P)