Secret Service stamp in 1915 in the Polk-Husted Directory Co.'s Oakland, Berkeley and Alameda directory (IA polkhusteddirect1915polk) (page 1315 crop).jpg
as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other