Possible possessor / holder: Graal, J. [nl] Location: Amsterdam [nl] Archival source: Archief SNK nr. 635
Possible possessor / holder: Denijs, J. [nl] Role: art dealers Location: Amsterdam [nl] Archival source: Archief SNK nr. 635
Possible possessor / holder: Backhaus, C.K.T. [nl] Location: Hamburg [nl] Archival source: Archief SNK nr. 635
