smArt brIefsmArt brIef · September 18, 2026

Market Signals & Criticism: Week of September 17, 2026

Johnny Marr's Globally Anticipated Auction at Christie's Welcomed Registrants from 34 Countries leads the week, with Islamic Arts Biennale Announces Curatorial Team for 2027 and Renoir Show Breaks Box-Office Record at London’s National Gallery…

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Market Signals & Criticism: Week of September 17, 2026 — smArt brIef