And then I saw that old, tough red beech tree. I immediately noticed it, with that light green background it was a nice contrast to the dark tree. The painting is part of the Foliage series.
This painting is currently in exhibition and for sale via Galerie Mi in Bilthoven.
Here you can see how this painting was created in many short strokes with the flat brush:
€ 1.825,00 (incl. VAT)