https://paul-barford.blogspot.com/2014/11/iadaa-due-diligence-guidelines.html
Portable Antiquity Collecting and Heritage Issues: IADAA Due Diligence Guidelines
The IADAA have revealed what they consider to be good "due diligence" (" Due Diligence Guidelines for IADAA Dealers "). Let us for the mom...
due diligenceportableantiquitycollectingheritage