The United States Playing Card Co. (USPCC) represents an amalgamation of all the major American card-makers of the late 19th and early 20th centuries
Standard international pattern playing cards made in occupied Japan, c.1950.
The “Smart Set 400” brand with named backs was introduced in c.1906 by the Kalamazoo Playing Card Co. in Michigan. Kalamazoo subsequently merged with the Russell Playing Card Co. in around 1913 or 1914. Thereafter the “Smart Set 400” series continued to be published by the Russell Playing Card Co.
Standard Playing Card Co. started producing playing cards in c.1890 but was in business for only about four years before United States Playing Card Company acquired it in 1894.