Reverse of the Elizabeth II sovereign, first type
Heritage Auctions for image, Benedetto Pistrucci for coin; background removed by <a href="//commons.wikimedia.org/wiki/User:Ravenpuff" title="User:Ravenpuff">Ravenpuff</a>
<a rel="nofollow" class="external text" href="https://nnp.wustl.edu/library/ImageDetail/586447">Newman Numismatic Portal</a>