A crop of a “SMILEY FACE" balloon from a Gregory "FUNNY-B'LOONS" ad  [The Gregory Rubber Co  Akron, Ohio]  on page  20 of The Billboard March 18 1922    <a rel="nofollow" class="external free" href="https://archive.org/details/sim_billboard_1922-03-18_34_11/page/20/mode/2up?q=smiley+face">https://archive.org/details/sim_billboard_1922-03-18_34_11/page/20/mode/2up?q=smiley+face</a>
the Gregory Rubber Company, Akron, Ohio
A crop of a “SMILEY FACE" balloon from a Gregory "FUNNY-B'LOONS" ad  [The Gregory Rubber Co  Akron, Ohio]  on page  20 of The Billboard March 18 1922    <a rel="nofollow" class="external free" href="https://archive.org/details/sim_billboard_1922-03-18_34_11/page/20/mode/2up?q=smiley+face">https://archive.org/details/sim_billboard_1922-03-18_34_11/page/20/mode/2up?q=smiley+face</a>