In the early 1970s Grant was recognised as a master potter on the international stage: he showed work at the World Expo Exhibition, Osaka 1970 and at the QEII Commonwealth Games Exhibition which travelled to Fiji. His work was selected for the New Zealand section of an international ceramics exhibition in Faenza. that was then bought for the International Museum of Ceramics at the Musée Ariana in Geneva. He showed work at the World Craft Council exhibition in Toronto. In 1971, he featured in an article by John Baggaley "The Artful Potters of New Zealand", in Air New Zealand's "Jetway Magazine". His work was photographed by Brian Brake for Craft New Zealand: The Art of the Craftsman (1981). edited by Doreen Blumhardt and Brake, and works included later in Athol McCredie’s "Brian Brake: Lens on the World" (2010).