Given that HM matches the jewel to the event it would seem unusual not to wear it during her state visit to Switzerland in 1980 ( assuming there was a tiara event ). I don't think that Switzerland has had a state visit here.
--Previous Message-- : We all know that a 'tiara' can be many things : - think of Queen Margrethe, Queen Sonja, : Crown Princess Maxima, Crown Princess Mary, : Princess Marie of Denmark's modern tiaras... : : Queen Elizabeth strikes me as quite : conservative when it comes to jewellery - I : am not sure HM would wear a tiara like the : one Crown Princess Maxima received when HRH : got married... : : in 1963 I am not sure the world was as : 'visual' as it is today! so perhaps that is : the reason Martin has heard about the tiara : - but we have never seen it - as far as I : know Crown Princess Maxima has not worn her : modern tiara either : :