Constant
2005 Collection Trudy Nieuwenhuys-van der Horst, NL
2008 Collection Trudy Nieuwenhuys-van der Horst, longterm loan to Stedelijk Museum , NLSchiedam
2012 Collection Fondation Constant, longterm loan to Stedelijk Museum Schiedam, NL
2022 Collection Fondation Constant, NL