BUDAPEST (AP).- A tug-of-war in the United States over who owns a huge art trove seized by Hungary’s Nazi henchmen is the most prominent example of disputed restitution policies in formerly communist eastern Europe but by no means the only one. Heirs of Jewish banker Baron Mor Lipot Herzog filed suit last week against the Hungarian government in U.S. District Court in Washington. They also are suing several state-owned museums to try to recover the works. But uncounted other works and collections hanging on museum walls in Bucharest, Belgrade or Budapest also were once the property of Jews, who were coerced into handing them over by Germany’s Nazi allies or simply abandoned them as they fled for their lives. Other examples of the expropriated art are unlikely to be as valuable as the works claimed by the Herzog