Advert for Bayer Aspirin in Life Magazine, 1927.
Bayer AG, published by TIME INCORPORATED
<a rel="nofollow" class="external text" href="https://archive.org/details/sim_life_1927-11-03_90_2348/page/n39/mode/2up">Life 1927-11-03: Volume 90, Issue 2348.</a>