Flag of the British resident of Zanzibar, from 1955 to 1963 (with the St-Edward crown)
<a href="//commons.wikimedia.org/wiki/User:Deuterium360" title="User:Deuterium360">Deuterium360</a>
<p>Flag : <a href="//commons.wikimedia.org/wiki/File:Flag_of_a_British_Governor_(traditional).svg" title="File:Flag of a British Governor (traditional).svg">Image:Flag of a British Governor (traditional).svg</a> (Public Domain)
Crown : <a href="//commons.wikimedia.org/wiki/File:Crown_of_Saint_Edward.svg" title="File:Crown of Saint Edward.svg">Image:Crown_of_Saint_Edward.svg</a> (Public Domain)
Description : <a rel="nofollow" class="external autonumber" href="https://www.fotw.info/flags/tz-zzrs.html">[1]</a>
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Boat : own work