A previously unknown sculpture by Alexander Calder, titled 'Stabile-mobile' (1974), will be auctioned by Oger – Blanchet at Hôtel Drouot in Paris on May 22. The small, kinetic work, estimated to sell for €80,000–€120,000, was a gift from the artist to an archivist at the French National Museum of Modern Art and has remained with her family for 50 years.
Marcel Duchamp - Hommage a Caissa (for the Marcel Duchamp Fund of the American Chess Foundation) , 1966
This rare 1966 silkscreen poster commemorates the "Hommage à Caissa" exhibition at New York’s Cordier & Ekstrom Gallery, a fundraiser organized by Marcel Duchamp for the American Chess Foundation. The event featured contributions from 36 iconic artists, including Salvador Dalí, Jasper Johns, and Alexander Calder, and is famously remembered for Andy Warhol’s uninvited "guerrilla attack" appearance with the Velvet Underground. The poster's design incorporates RSVP cards sent to participating artists, some featuring personal notes and autographs.