Panama Pacific International Exposition, San Francisco 1915

Front:
ANAMA PACIFIC INTERNATIONAL EXPOSITION 1915 11111 FKoch CALIFORNIA 710 COPYRIGHT 1911 BY EDW. H. MITCHELL 1915-D M&McClanahan Sett. 2"/90/ 2"1911 E

Back:
PACIFIC TERNATIONAL AUT FRANCISCO 1915 CALIFORNIA PUBLISHED BY EXPOSITION PUB. CO., SAN FRANCISCO. On the "Road of a Thousand Wonders" POSSESSIONS. CANADA, MEXICO, 1c 2c ONLY THE ADDRESS MAY BE WRITTEN HERE