University of Bristol - Historical Photographs of China reference number: AL-s45. See http://hpchina.blogs.ilrt.org/2015/03/02/another-prince-on-the-bund-1926/. Sir Sidney Barton, Consul-General, is inspecting a detachment from the Sikh Branch, Shanghai Municipal Police. This photograph, credited to [E. A.] Kobza, was published in the North China Herald, 12 June 1926, p. 486. The caption indicates that this was the King's Birthday Parade, and the article notes that Empire Day and the King's Birthday celebrations were combined.
Empire Day Parade, British Consulate General, Shanghai, 1926