An envelope from Yokohama Shōkin Ginkō, San Francisco, California to Tomosuke Masukawa in Seligman, Arizona. It contains the U.S. postal money order receipts, which are found in items: csudh_nao_0500, csudh_nao_0501, csudh_nao_0502, and csudh_nao_0503. See this object in the California State Universities Japanese American Digitization project site: nao_05_01_005