Front:
Observatory on top of Mt. Wilson, Cal.
Back:
POST CARD
CO
Place the Stamp Here
ONE CENT
For United States ;
and Island Possessions
Cuba, Canada and
Mexico.
TWO CENTS
For Foreign.
MESSAGE MAY BE WRITTEN ON THIS SIDE.
ADDRESS ONLY ON THIS SIE.
2459- PUBLISHED BY THE BENHAM CO, LOS ANGELES, CAL.
A-8864
