collection

Children playing on the beach, pencil and coloured chalk on paper 11.5 x 15.6 cm, signed l.r. and painted circa 1907

Composition, gouache on paper 50.0 x 78.5 cm, signed on the reverse and without frame

Figures in a shopping street, charcoal on paper 12.4 x 12.4 cm, signed l.r. with initials

Interior with figures, pencil, chalk and watercolour on paper 15.0 x 11.0 cm, painted ca 1926

The pickpockets, paper 23.6 x 19.2 cm, without frame

Man and his dog in the cloister of the Dom of Utrecht, watercolour on paper 26.5 x 23.6 cm, signed l.r. and dated 1833

Passenger and navy vessel at sea, watercolour on paper 22.0 x 33.8 cm, signed l.l. and dated '45, without frame

Untitled, collage on paper 47.7 x 37.0 cm, signed l.c. and dated 2006

Show dancers, gouache on paper 25.2 x 32.4 cm, signed l.r.

Man with black hair, pencil and watercolour on paper 14.2 x 10.3 cm, without frame

Abstract composition, pen and gouache on paper 18.0 x 25.0 cm, signed l.r.

Gerard Hekking, playing cello, black and coloured chalk on paper 21.6 x 19.7 cm, signed u.r. and dated 1908

Chickens in a run, charcoal and ink on paper 49.4 x 64.8 cm

Playing the piano, charcoal and watercolour on paper 55.8 x 76.3 cm, signed l.r.

Omnibusses in a London street, pencil and watercolour on paper 38.8 x 55.8 cm, signed l.r.

A clown and an animal, black chalk on paper 10.0 x 10.2 cm, signed l.l.

Dahlia, watercolour on paper 78.4 x 56.8 cm, signed l.r.

Baby, sucking on a thumb, pencil, coloured pencil, watercolour and gouache on paper 34.3 x 46.3 cm, signed l.c.

A quay with the reflection of houses in the water, watercolour on paper 27.0 x 32.0 cm, signed l.r. with monogram

seated nude, charcoal on paper 45.0 x 36.5 cm, signed l.l. and l.r.