/ Provenance Index / Invaluable

Invaluable

Auction Platform · Multi-House · Founded 1989
C+

Mixed (C+) — Provenance Grade

Invaluable is a multi-house online auction aggregator. Aggregates 5,000+ auction houses. Same model + similar challenges as LiveAuctioneers.

66
Composite / 100
/ Subscore Breakdown · 5 Dimensions

Where this grade comes from.

Authenticity / Due Diligence
C
Pricing Transparency
B+
Artist Treatment
C
Collector Service
B-
Liquidity / Resale Posture
B
/ Key Events & Disclosures

Timeline & positioning.

  • Founded 1989
  • Multi-house aggregator
  • 5,000+ houses
  • Mid-tier vetting

/ Best for

Multi-house auction browsing; mid-tier auction-house collectors.

/ Watch out for

Aggregator model challenges; same as LiveAuctioneers.