Stamp is square format.
Also in the issue Coronation of QE II 50th Anniversary:
Data entry completed
|Stamp Wearing Tiara in digits|
|Perforation:||comb 14 x 14¼|
|Face Value:||9 Solomon Islands dollar|
Stamp Wearing Tiara it reflects the thematic directions:
An anniversary is the date on which an event took place or an institution was founded in a previous year, and may also refer to the commemoration or celebration of that event. For example, the first event is the initial occurrence or, if planned, the inaugural of the event. One year later would be the first anniversary of that event. The word was first used for Catholic feasts to commemorate saints. Most countries celebrate national anniversaries, typically called national days. These could be the date of independence of the nation or the adoption of a new constitution or form of government. The important dates in a sitting monarch's reign may also be commemorated, an event often referred to as a "Jubilee".
Queen - the title of reigning female monarch or the wife of the king in a number of countries
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