Not employing experts for verification purposes is one thing but neglecting due diligence is entirely another
Kox’s exemplary data base garnered from the public domain is a minimal starting point for any house ,and given their unrivalled access to other private and privileged sources they should be more than capable of establishing reasonable provenance
In the art world, confirmation of authenticity is almost always sort from outside subject matter experts
I submit they could do no better then asking the forum whose members are unquestionably the pinnacle of such knowledge
One small point is that if ever anyone is consulted it might be best not to end the consultations with the word ‘dibs’ ..just a thought