Tree stump from the Palmiry Forest with an embedded bullet shell

http://lod.ehri-project-test.eu/units/us-005578-irn6778 an entity of type: RecordSet

The tree stump was donated to the United States Holocaust Memorial Museum in 1992 by the Museum of the City of Warsaw. 
irn6778 
Tree stump from the Palmiry Forest with an embedded bullet shell 
overall: Height: 10.630 inches (27 cm) | Width: 7.480 inches (18.999 cm) | Depth: 3.940 inches (10.008 cm) 
This"AB-AKTIO" was referred to by the Nazis as the"Ausserordentliche Befriedigungsaktionen (extraordinary pacification operation). Clerics, intellectuals, academics, politicians, and suspected resisters were murdered there. 
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Stump contains a bullet shell. 

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