Panama Pacific International Exposition 1915

Front:
PACIFI ANAMA INTERNATIONAL EXPOSITION 15 EEECERC "an PE7m PT C1 D SAN FRANCISCO CALIFORNIA COPYRIGHT 1911 BY EDW. H. MITCHELL 1915-D FKoch

Back:
THIS SPACE MAY BE USED FOR CORRESPONDENCE PACIFIC SAN POST CARD POSTAGE: UNITED 1915 AISTON STATES AND 1c POSSESSIONS. SLIFORN CANADA MEXICO 2c FOREIGN ONLY THE ADDRESS, MAY BE WRITTEN HERE PUBLISHED BY EXPOSITION PUB. CO., SAN FRANCI SCO UWAIONRE