This is an image of the badge of a member of the Most Venerable Order of the Hospital of St John of Jerusalem. Those in Grade V of the Order used to be called serving brothers and serving sisters and used the same badge after 1949. This image comes from my personal collection of St John Insignia.
<a href="//commons.wikimedia.org/wiki/User:Evadb" title="User:Evadb">Evadb</a>
2008-10-20
<span class="int-own-work" lang="en">Own work</span>