Los Angeles, CALIFORNIA -  Main Street & Hotel Roslyn - 1923:  Main Street is a major north–south thoroughfare in Los Angeles, California. It serves as the east–west postal divider for the city and the county as well.  From the northeast, Main Street begins as a continuation of Valley Boulevard west of Mission Road in Lincoln Heights as 'North Main Street'.  Main Street enters Downtown Los Angeles passing by the edge of the Los Angeles Plaza. It continues through the Civic Center area, which is built on top of the site of the buildings — nearly all demolished — that in the 1880s through 1900s formed the city's Central Business District. At 3rd Street it enters the Historic Core district. At 9th Street, it merges with Spring Street in Downtown LA, and between Cesar E. Chavez Avenue and 9th Street, Main Street shares a one-way couplet with Spring Street.  Main Street continues south through South Los Angeles and enters Carson 2 miles (3.2 km) north at the intersection of Lomita Boulevard. In Wilmington Main Street moniker ends, the street continuing on as Wilmington Boulevard.  This Linen Era postcard, hand dated 10 Oct. 1928, is in good condition.  Kashower Co. Los Angeles, Cal.