Roundel of Central Air Transport Co, China. (1943-1949)
<a href="//commons.wikimedia.org/wiki/User:Ericmetro" title="User:Ericmetro">Ericmetro</a>
1943
<span class="int-own-work" lang="en">Own work</span>, based on <a rel="nofollow" class="external autonumber" href="http://www.nstm.gov.tw/FileDownLoad/Epapers/BigPicture/20140918174223186.jpg">[1]</a> and <a rel="nofollow" class="external autonumber" href="http://www.moxing.net/bbs/data/attachment/forum/202008/15/233713t2f7h2tpzp9ut9f9.jpg">[2]</a>.