Logo of Compagnie des Messageries Aériennes, In use 1919-23, CMA was absorbed into <a href="https://en.wikipedia.org/wiki/Air_Union" class="extiw" title="en:Air Union">Air Union</a> in 1923, that company was absorbed into <a href="https://en.wikipedia.org/wiki/Air_France" class="extiw" title="en:Air France">Air France</a> in 1933. Air France presumably now holds the copyright.
<a rel="nofollow" class="external free" href="http://www.baaa-acro.com/archives/1921.htm">http://www.baaa-acro.com/archives/1921.htm</a>