collection

Insect I, ink on paper 39.2 x 56.4 cm, signed on the reverse and dated '53

Kosmos, gouache on paper laid down on board 32.0 x 52.0 cm, signed u.l. and dated '62

A study of baby mice, 10 days old, pencil and watercolour on paper 19.9 x 24.1 cm, signed l.r.

-, pen drawing 33.5 x 28.5 cm, gesigneerd r.o.

Figure Grotesque III, ink and watercolour on paper 18.7 x 7.7 cm, without frame

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

The Kalverstraat with flags, by night, pastel on paper 61.0 x 39.3 cm, signed l.l. and executed ca. 1932

Country house in the summer, watercolour on paper 30.3 x 39.5 cm, signed l.r.

A farm on the waterfront, watercolour and gouache on paper 42.3 x 70.2 cm, signed l.l. and painted 1906

Friends on a terrace on the terrace, watercolour on paper 19.3 x 25.3 cm

Dragoon next to his horse, ink and watercolour on paper 29.5 x 22.6 cm, signed l.l. with monogram

In Hyde Park, London, chalk on paper 28.8 x 22.8 cm, signed l.l.

Anemones in earthenware vase, watercolour on paper 44.5 x 37.0 cm, signed l.l. and painted ca. 1920

Chickens on a farmyard, watercolour on paper 18.7 x 29.3 cm, signed l.l.

Elegant company in Café de la Paix, Paris, black and coloured chalk on paper 14.6 x 22.1 cm, signed l.r. and dated 1904

Société de secours mutuel / Mutual support, coloured pencil on paper 21.5 x 18.0 cm

Model in the artist's studio, watercolour on paper 55.5 x 44.0 cm

Trees along the water, black chalk on paper 42.0 x 57.0 cm, signed l.r.

The suitor, gouache on paper 78.0 x 98.5 cm, signed l.r.

A grey in its stable, watercolour on paper 13.6 x 19.6 cm, signed l.r.