Hidden Hands, Obscured Records: What the Rise of Private and Sealed-Bid Art Sales Means for Collector Due Diligence
A growing number of high-value artworks are changing hands through channels deliberately designed to shield seller identities and suppress ownership records. For serious collectors, this trend introduces authentication challenges that traditional provenance research was never built to navigate. Understanding the mechanics of these opaque transactions—and the warning signs embedded within them—has become an essential discipline in today's market.