A short-form birth certificate of Aimee Challenor. As the sex field lists female this will be after the British Government acknowledged her transition through the Gender Recognition Act 2004.
United Kingdom General Register Office
<a rel="nofollow" class="external free" href="https://twitter.com/AimeeChallenor/status/1156909958463705093?s=09">https://twitter.com/AimeeChallenor/status/1156909958463705093?s=09</a>