<https://www.diamondsgems.co.uk/product/1925-22ct-gold-sovereign-king-george-v-coin-a-u-557/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.diamondsgems.co.uk/product/1925-22ct-gold-sovereign-king-george-v-coin-a-u-557/>