'Stacks 2007/2016 1', 2007/2016. Acrylic, pencil, ink, on paper, 21 x 21 cm.

'Stacks 2007/2016 2', 2007/2016. Acrylic, pencil, ink, on paper, 21 x 21 cm.

'Stacks 2007/2016 3', 2007/2016. Acrylic, pencil, ink, on paper, 21 x 21 cm.

'Stacks 2007/2016 4', 2007/2016. Acrylic, pencil, ink, on paper, 21 x 21 cm.

Studio installation, 'Stacks 2007, 2016' drawings.

'Stacks 4', 2016. Ink on paper, 21 x 21 cm.

'Stacks 5', 2016. Ink on paper, 21 x 21 cm.

'Stacks 7', 2016. Ink on paper, 29.5 x 29.5 cm.

'Stacks 8', 2016. Ink on paper, 29.5 x 29.5 cm.

'Stacks 11', 2016. Ink on paper, 29 x 29 cm.

'Stacks 13', 2016. Ink on paper, 28.5 x 28.5 cm.

'Stacks 15', 2016. Ink on paper, 29 x 28.5 cm.

'Stacks 16', 2016. Ink on paper, 29 x 29 cm.

'Stacks 17', 2016. Ink, Lascaux gouache on paper, 17.3 x 12.2 cm.

'Stacks 19', 2016. Ink, Lascaux gouache, Flashe on paper, 29 x 29 cm.

'Stacks 20', 2016. Ink, Lascaux gouache on paper, 29 x 29 cm.

Studio installation, 'Stacks' drawings, 2015 and 2016.