Nob Hill, looking West from California and Mason Sts.

Front:
509 BRITTON & REY, SAN FRANCISCO Nob Hill, looking West from California and Mason Sts., showing the Flood, Huntington and Crocker Residences San Francisco

Back:
Sunt uero Place Postage Stamp here DOMESTIC ONE CENT FOREIGN Two CENTS RUSH OAKLAND. CALIF- TIME HANDY ROLL CO THIS SIDE IS FOR ADDRESS ONLY.