McCahon December 1964 (on reverse)
2019 From the Archive: Colin McCahon in Auckland
Auckland Art Gallery Toi o Tāmaki
13/7/2019 - 30/4/2020
During this period, McCahon was experimenting with a number of commercial oil and water-based paints. In some cases, he mixed these with artists' oil colours. The exact nature of the medium can be difficult to determine.