U.S. Post Office and Custom House

Front:
4566. U. S. Post Office and Custom House, San Diego, Calif. UNITED STATES OFFICE AND CLETORCOUSG

Back:
R-44489 MADE IN USA AND ISLAND POSSESSIONS, CUBA, CANADA AND MEXICO PUBLISHED BY H. L. CHRISTIANCE, SAN DIEGO, CALIF. C.T PHOTOCHROM