Written on back: "MADAME CHIANG KAI-SHEK TOURS CHINATOWN--WITHIN A FEW MINUTES AFTER ARRIVING IN SAN FRANCISCO MARCH 25, MADAME CHIANG KAI-SHEK MADE A MOTOR TOUR THROUGH CHINATOWN. HER AUTO IS SHOWN PASSING BENEATH THE OFFICIAL ARCH WELCOMING HER TO THE LARGEST CHINESE RESIDENTIAL AREA OUTSIDE OF CHINA."