Possible possessor / holder: Kwakkelstein, G. [nl] Location: Vlaardingen [nl] Archival source: Archief SNK nr.762
Possible possessor / holder: Plietzsch, E. [nl] Location: Den Haag/Berlijn [nl] Archival source: Archief SNK nr.762 Remarks: Dr. Plietsch (voor f. 11.000,-) [nl]
Possible possessor / holder: Mitteldeutsche Stahlwerke [nl] Location: Berlijn [nl] Archival source: Archief SNK nr.762 Remarks: Verkocht aan Mittel-Deutsche Stahlwerke, Berlijn. [nl]
