Marcus Parser bought four Sperr stamps for himself, for his wife Rebecca Parser-Polak, his daughter Sonja Parser and for a second child that survived the war. It is presumed that he surrendered a large amount of jewellery in the context of the S-Aktion. The family lived at 98 Amsteldijk, second floor, in Amsterdam, from where they moved, presumably under duresse, to 29 Krugerstraat, third floor, i…