King's Colour for the Royal Navy (1925–1936)
<a href="//commons.wikimedia.org/wiki/User:Sodacan" title="User:Sodacan">Sodacan</a>
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<p><span class="int-own-work" lang="en">Own work</span>; 
</p>
<a rel="nofollow" class="external text" href="https://www.crwflags.com/fotw/flags/gb%5Enavcl.html#origcol">Origin of Royal Navy King's/Queen's Colours</a> and <a rel="nofollow" class="external text" href="https://www.navy.gov.au/customs-and-traditions/history-sovereign%E2%80%99s-colours">History of the Sovereign’s Colours</a>