Victor Sullivan (d. 1976) was a businessman who formed his collection after being introduced to leading London Chinese dealers through his friend, the academic Herbert Cescinsky.
A blue and white vase of almost identical size and 'phoenix tail' form but with bird and flower decoration is in the collection of the Shanghai Museum, illustrated in Kangxi Porcelain Wares from the Shanghai Museum Collection, Hong Kong, 1998, pp. 104-105, no. 68.
Compare the current vase to another of the same form, painted with similar scenes of scholars within a mountainous landscape, which sold at Christie's New York, 19 & 20 September 2013, lot 1322.