Colin McCahon (brushpoint, b.r.); 1938 / "Otaio Gorge" / Colin McCahon 1938 / [...] COLLECTION / GIFT OF THE ARTIST CA 1942 / NO 49 (first McCahon ...[illegible] ... / Woollaston McCahon Retrospective Exhibition, 1963) / ... then Hocken (inscribed by owner, on reverse)