He designed the medal for the 1911 investiture of Edward VIII as Prince of Wales and the King George V Silver Jubilee Medal in 1935. During his career John also produced medals and seals for several organisations in Wales.
In 1911, he crafted the medal for Edward VIII's investiture as Prince of Wales and the King George V Silver Jubilee Medal in 1935. During his professional life, John produced medals and seals for several organizations based in Wales.