Manufacturer: Walker China
Pattern: State Seal of Missouri
Date of plate: 1957
Notes: White body, brown line around rim, Great Seal of the State of Missouri placed in the center of plate, surrounding the seal are three branches with hawthorn flowers, the state flower of Missouri.
For additional info:
http://www.statesymbolsusa.org/Missouri/stateSEAL.html
ID and plate photos contributed by teabear
Cup and saucer photo contributed by eBay seller hooked_on_bakelite
Seal from Hotel Red Book contributed by dbstoneware