<https://www.davidfeldman.com/fr/selloff-ventes/#webpage>
<http://schema.org/dateModified>
"2021-06-30T16:04:41+00:00"^^<http://schema.org/Date>
<https://www.davidfeldman.com/fr/dfsa-ventes/2015-december-auction-series/austria/20085/pre-stamp-letters-and-documents-1813-laybach-jllyr/?soff_session_page=1>