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Why Certificates of Authenticity do not Protect You, part 2

  • Writer: gerard van weyenbergh
    gerard van weyenbergh
  • 5 hours ago
  • 1 min read

The Certificate That Destroyed Value

Collectors often assume that obtaining a certificate can only help.

Sometimes the opposite occurs.

I have seen situations where an owner sought a certificate hoping to strengthen value, only to receive a negative opinion from a recognized authority. Overnight, the marketability of the work changed dramatically.

The irony is that before seeking the opinion, uncertainty existed.

After receiving the opinion, the uncertainty became documented.

In the upper levels of the art market, documented doubt can be more damaging than undocumented uncertainty.

This is why serious authentication strategy requires careful planning long before approaching committees, foundations, scholars, or catalogue raisonné authorities.



COA not always protect you

The Rise of Perfect Documentation

One of the most dangerous phrases in the art market is:

“Everything is documented.”

Collectors hear this and immediately relax.

Ironically, overly perfect documentation sometimes creates suspicion rather than confidence.

Genuine histories are often incomplete.

Old invoices disappear.

Letters are lost.

Families forget details.

Archives contain gaps.

When a painting suddenly appears with flawless provenance, immaculate paperwork, and a complete historical narrative stretching across decades, experienced investigators often become more cautious rather than less.

The question becomes:

Was this documentation preserved?

Or was it assembled?

The difference matters. Private Auction Intelligence



 
 
 

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