Advertisement for the American adventure romance film <i>A Romance of the Air</i> (1918) with Bert Hall (playing himself) and Edith Day, on page 12 of the December 21, 1918 <i>Exhibitors Herald</i>.
En l'Air Cinema Ltd. / Crest Pictures Corporation
1918-12-21
<a rel="nofollow" class="external text" href="https://archive.org/details/exhibitorsherald07exhi_0"><i>Exhibitors Herald</i> (Sep. - Dec. 1918)</a> on the Internet Archive