Vintage, colorized, undivided back postcard depicting Market Street, San Francisco, CA.  Shows horses, carriages, the SF Chronicle Building, The Postal & Telegraph Building, trolley cars, a cigar shoppe, etc....Published by the Detroit Publishing Co., Mailed on May 28, 1906 (40 days after the BIG quake) to Miss Marie E. Mackenzie(1882-1982...married name was Mary Waters) in Denver, CO.