Margot Leavin Gallery

Jasper Johns’s ‘mutual aid’ organisation for artists receives almost $9m from the estate of Los Angeles gallerist Margo Leavin

The Foundation for Contemporary Arts has been selling works donated by visual artists to fund those working in experimental forms and performance since 1963

What’s On: rest of US commercial galleries

Delia Brown: getting hung up at a collector’s home en route to the museum. Margo Leavin Gallery, Los Angeles