the Princess Elizabeth, by the Duke of Edinburgh,[2] and since then she painted 14 miniatures of members of the British royal family.

She received her artistic training at the National Gallery of Victoria Art School under Lindsay Bernard Hall and Frederick McCubbin.

It was reported that 100,000 copies of the miniature, which was considered by the Princess to be the best existing portrait of herself, were printed and sold on behalf of the Canadian Red Cross.

[10] Some other notable portrait miniatures painted between 1915 and 1934 during her time in America (which also included trips to Japan, Australia, and Great Britain) were of the famous spy, Sydney Reilly, and his 'wife' Nadine;[11] the actresses Marjorie Williamson, Mrs. Madge Carr and Edith Day; musician, Jan Cherniavsky; multi-millionaire, Knox Studebaker; a Japanese lady, Mrs. T. Akaboshi; the occultist, Aleister Crowley; musician and dancer, Maud Allan; and Joseph McKenna, Associate Justice of the Supreme Court of the United States.

At the time Montagu Marks was pivotal in helping to secure funding for Alexander Korda from Prudential Insurance.

[18] In 1948, on the recommendation of Sir James Mann, director of the Wallace Collection, the Duke of Edinburgh commissioned Marks to paint H.R.H.