KL Dachau liberation set of 3 glass negatives most of them with American soldiers. One is the infamous iron door with the motto "Arbeit macht Frei" with a US sentinel. Another one shows some German Nazi guards as prisoners with hands up. And the last one is a group photo of US liberation troops posing by a barrack that could be the kitchen of the camp. One of the glass negatives is broken with a crack through it, but complete