“P.P.I.E 1915” – No Period after “E”. 3 1/16″ high x 2 1/8″ wide. Steel body. Nickel plated steel shackle. NOS. Original key. “CXXV” is written on the reverse of the case in wax pencil. “Panama-Pacific International Exposition” was the title of the 1915 San Francisco, California World’s Fair.