English: Front (r-l): Mrs. Rannie E. Cook, Herman M. Sweatt, Mrs. Herman Sweatt, Mrs. C. V. Adair, Rev. M. L. Price
Standing (r-l): William C. Day, W. W. McMillan, Lulu B. White, Mrs. M. L. Porter, Sid Hilliard, Herman Wright, Mrs. Herman Wright, Mrs. M. L. Price, and J. H. Jemison, et al.
Date
Source
Cook, Byron S. "N.A.P.E. Salutes N.A.A.C.P." (April 1947) The Postal Alliance, volume XXXIV No. 4, Detroit, Michigan: National Alliance of Postal Employees, p. 12
Verified viewing each page of April 1947 issue that there are no apparent copyright marks or phrases. Further confirmed in the Catalog of Copyright Entries. Third Series: 1947 and 1948 that there was no registration for The Postal Alliance or the National Alliance of Postal Employees in either year.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.