Panama Pacific International Exposition 1915

Front:
HA PACIFIC PANAMA LAG 1915 INTERNATIONAL EXPOSITION SAN FRANCISCO CALIFORNIA

Back:
SPACE BELOW MAY BE USED FOR CORRESPONDENCE Post 45 10 I POSTAGE: UNITED STATES AND POSSESSIONS CANADA, MEXICO, FOREIGN Card ONLY THE ADDRESS MAY BE WRITTEN HERE PUBLISHED BY EXPOSITION PUB. CO., SAN FRANCISCO