The mural commemorating the “Tung Oil Industry” was commissioned by the Treasury Section of Fine Arts and painted by Xavier Gonzales. The post office was constructed with U.S. Treasury Department funds during the Great Depression. It was turned over to the school board in the1960's and renovated in 1985.
As of March 16, 2017, the School Board was thinking about selling the building, now that is no longer needed for office space.
Here are some photos. Click on them to enlarge them for better viewing.
The above article about Xavier Gonzales, the artist, was written by John Kemp and published in the Covington Chamber of Commerce Magazine in 1983.
According to the 2012 Covington Historic District Preservation Guidelines,