Some experts believe this 17th-century work now up for sale was originally stolen by the Nazis, but no clues to its prewar owner have turned up in years of searching.
The commission’s creation stems in part from an agreement made last year to reassess German failures in handling the attack by Palestinian militants, which killed 11 Israeli athletes.
A production of “War and Peace” in Germany, with a heavily Russian cast and production team, must balance competing demands brought on by the invasion of Ukraine.
The Ukrainian leader said he was grateful for Western statements of support, as Russia rejected American accusations that it had committed “crimes against humanity” in the war.