Obverse of 1983 half sovereign
Heritage Auctions for the image, Arnold Machin designed the coin.
<a rel="nofollow" class="external text" href="https://coins.ha.com/itm/great-britain/great-britain-elizabeth-ii-proof-gold-sovereign-three-piece-set-1983-total-3-coins-/a/3006-21173.s?ic4=GalleryView-ShortDescription-071515">here</a>