Panama Pacific International Exposition 1915

Set Description
This set is from the 1915 Panama-Pacific International Exposition that was held to commemorate three events, (1) opening of the Panama Canal, (2) 400th anniversary of the discovery of the Pacific Ocean, and (3) rebuilding of San Francisco after the 1906 earthquake.

The expo was held from February 20 to December 4, 1915 in a 635 acre area now called the Marina District, with attendance estimated at over 18 million.

Set Goals
To complete a set of SC$ for the Pan Pacific Expo, consisting of HK-399 to 425.