Front:
PANAMA-CALIFORNIA EXPOSITION, SAN DIEGO, CALIFORNIA, 1915
II
71654
ORGAN AND MUSIC PAVILION, GIFT OF JOHN D. SPRECKELS
ONLY ONE KNOWN BUILT FOR OPEN AIR RECITALS
Back:
"PHOSTINT”
TRADE MARK REGU S. PAT OFF
MADE ONLY BY DETROIT PUBUSHING CO
FOREIGN, TWO
AX
THIS SPACE MAY BE USED FOR MESSAGE,