Lionel and Ray Skipper with Colin McCahon's A Poster for the Urewera No. 2, 1975 at Peter McLeavey Gallery, Wellington, December 1975. Photograph Don Roy. Fairfax Media NZ/Dominion Post
The Days and Nights in the Wilderness Showing the Constant Flow of Light Passing into a Dark Landscape, 1971. Acrylic on unstretched canvas, 2360 x 1840mm. Collection Govett-Brewster Art Gallery, New Plymouth. Images courtesy Colin McCahon Research and Publication Trust