Hellya (Blue, Yellow), 2000
oil on linen, 112 x 112 cm, Schunck, Heerlen
Hellya (Red, Yellow), 2000
oil on linen, 112 x 112 cm, AkzoNobel Art Foundation, Amsterdam
Hellya (Green), 2000
oil on linen, 112 x 112 cm, Private Collection