Description: There are several ways to date postcards that are seemingly undated. This page provides a few general methods for determining a time period or date for postcards.GENERAL POSTCARD CHRONOLOGY[edan-image:id=siris_sic_13846,size=250,left]Postcard producers printed cards that followed the current trends of postcards. Dates can be approximated by the material and design of a
Description: In the late 19th and early 20th centuries, the Smithsonian participated in numerous international world’s fairs and expositions. The Panama-Pacific Exposition of 1915 held in San Francisco, California, was intended celebrate the completion of the Panama Canal, as well as to illustrate the function and administrative faculty of the Government of the United States, and to