Your search for ""Werner Jacobsz. Van den Valckert"" revealed the following:

Portrait of a Man with Ring and Touchstone by Werner Jacobsz. Van den Valckert - Canvas Art

Sleeping Venus by Werner Jacobsz. Van den Valckert - Canvas Art

Five Regents of the Groot-Kramergild by Werner Jacobsz. Van den Valckert - Canvas Art

Man Cutting Tobacco by Werner Jacobsz. Van den Valckert - Canvas Art