Image - each bookplate different colors; at top windmill with "EX LIBRIS" banner across it; open book below at left; painter's palatte & brushes at center, piano keyboard below palatte; row of books at bottom with "CONSTANT VAN DYK" on spines.
Image - donkey in jester's hat at center; child kneeling on a chair at upper left, resting hands of the letter S; vertical text at left "Siet"; at bottom "VAN DIJK."; with child's face in the capital D; at right "EX-L" with "IBRIS" vertical below L
