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.
He crafted the medal for Edward VIII's investiture in 1911 as Prince of Wales and King George V's Silver Jubilee Medal in 1935. Throughout his career, John also manufactured medals and seals for various organizations in Wales.