The most improbableromance - Auschwitz SS guard Franz Wunsch and a concentration camp inmate Helena Citrónová. It started when she sang at his birthday party in 1942 and lasted till the end of the war. Then she emigrated to Israel and was looking for and found her there. They met again at his trial, but never reunited. The weight of the crime that divided them was too much.
 
Krause Papierwerke offers his SS Ausweis (ID) and a small photo of her (which he'd hide deep in a pocket of his Allgemeine SS uniform).