signed and dated 'arie de Groot '87' (lower centre)
pastel on scrunched paper, two sheets assembled, 65x100 cm
The Kersten van Steenbergen Collection.
Provenance: Acquired from Galerie Nanky de Vreeze, Amsterdam.
Literature: Arie de Groot, ‘Beschouwing over de koepel’, 2001, pp. 18, 19.