It seems to have been worn first in May of 1989 to a campaign launch at Kensington Palace for Dr. Barnardo's , of which she was patron. Diana wore it again in September of 1990(left), when she brought William and Harry to Queen's Medical Centre in Nottingham to visit their father, where he was having additional surgery on the arm he broke playing polo earlier in the year. The same day, back in London she stopped in at a support group for families of Gulf War soldiers . In June of 1991 (right, below)she wore it again to a hospital, bringing home William who had been hospitalized after an accident at school. Earlier that day, as Patron of the British Deaf Association, she went to Supra Regional Mental Health Service for Deaf People and opened it's new outpatient department at Springfield Hospital.(right, above)