This is a recreation of the flag of the Uzbek SSR, used from 1937 to 1938.
<a href="//commons.wikimedia.org/w/index.php?title=User:Whaales&amp;action=edit&amp;redlink=1" class="new" title="User:Whaales (page does not exist)">Whaales</a>
CC BY 4.0
I created this on paint.net, using the description in the Wikipedia page.