تل حلف
In 1939, Oppenheim once more travelled to Syria for excavations, coming within sight of Tell Halaf. However, the French authorities refused to award him a permit to dig and he had to depart. Oppenheim also unsuccessfully tried to sell some of his finds in New York and again negotiated with the German government about the purchase of the Tell Halaf artefacts. In 1943, eight German-owned orthostat reliefs stored in New York were seized by the US Office of Alien Property Custodian. Amid these negotiations and activities, the Tell Halaf Museum in Berlin was hit by a British phosphorus bomb in November 1943. It burnt down completely, all wooden and limestone exhibits were destroyed. Those made from basalt were exposed to a thermal shock during attempts to fight the fire and severely damaged. Many statues and reliefs burst into dozens of pieces. Although the Vorderasiatisches Museum Berlin took care of the remains, months passed before all of the pieces had been recovered and they were further damaged by frost and summer heat.