Why the Next Great Collectibles May Be Fashion, Fossils, and Fractional Shares

If you have a beaten and busted Birkin, a highly sought-after print (bonus points if it’s by a South Asian artist), or even a few dinosaur bones gathering dust, now may be the moment to call your auctioneer. At least, that’s one takeaway from Knight Frank’s Wealth Report 2026.

The 20th edition of the report, released earlier this week, revealed that the Knight Frank Luxury Investment Index (KFLII) stabilized in 2025, slipping just 0.4 percent across the 10 categories tracked: handbags, jewelry, coins, watches,...