<https://www.foronum.com/catalogo-de-monedas/indochina-francesa/n-12687-20-centimes/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.foronum.com/catalogo-de-monedas/indochina-francesa/n-12687-20-centimes>