An early Cold War RCAF 409 flight suit patch circa 1955 when the Squadron was based at Comox, BC and flying CF-100's.  The shoulder patch is undoubtedly manufactured by Crest Craft but the back-stamp has faded.
<a href="//commons.wikimedia.org/wiki/User:A_much_better_place" title="User:A much better place">A much better place, Wayne Logus</a>
CC BY-SA 4.0
<p><span class="int-own-work" lang="en">Own work</span> scan of patch. 
</p>
Originally designed by Gustav Werle, founder of Crest Craft Ltd. of Saskatoon, SK.