A long-standing restitution dispute between Germany's Kunstsammlung NRW and the heirs of the Jewish art dealer Alfred Flechtheim, regarding the provenance of Juan Gris work, "Die Welt" reports. The museum has called on the panel of experts from the so-called Limbach Commission to adjudicate the ongoing issue. The commission's rulings will be officially non-binding, but can hold significant sway in deciding restitution cases. The museum has asked the help of the panel of experts from the Limbach Commission to adjudicate the case.

The Kunstsammlung NRW claims that after years of provenance research it has not any found evidence to support beyond a reasonable doubt that Juan Gris's work "Guitar and Ink Bottle on a Table" (1913) belonged to the Jewish art dealer.