Mezuzah pendant kept during his imprisonment by a concentration camp inmate

http://lod.ehri-project-test.eu/units/us-005578-irn8744 an entity of type: RecordSet

The mezuzah pendant was donated to the United States Holocaust Memorial Museum in 1994 by Jean Boswell. 
irn8744 
Mezuzah pendant kept during his imprisonment by a concentration camp inmate 
overall: Height: 1.000 inches (2.54 cm) | Width: 0.250 inches (0.635 cm) | Depth: 0.250 inches (0.635 cm) | Diameter: 0.980 inches (2.489 cm) 
No restrictions on access 
pendant on chain with parchment rolled inside mezuzah; 10-1/" 25.7 cm [length to include pendant and chain] 

data from the linked data cloud